{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"CCI2638757","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"science_the_french_mathematician_henri_poincare_photo_france_c_1900","item_variant":"undefined"},{"item_id":"EUL253429","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"nasir_al_din_al_tusi","item_category5":"not_balown","item_list_name":"search_results","item_name":"or_ms_27_tahir_uqlidus_ink_on_paper","item_variant":"undefined"},{"item_id":"CH349944","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"swiss_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"titlepage_of_a_printed_edition_of_the_archimedes_palimpsest_editio_princeps_1544_print","item_variant":"undefined"},{"item_id":"ACD173234","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"french_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_louis_victor_pierre_raymond_de_broglie_1892_1987_writing_his_famous_formula_on_a_blackbo","item_variant":"undefined"},{"item_id":"BLT236733","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"fourier_joseph_1768_1830","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_2044_page_from_calcul_differentiel_et_integral_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"NRM75481","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"napier_s_rods_1671_1700_wood","item_variant":"undefined"},{"item_id":"CHT157351","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"greek_school_12th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"page_of_text_with_geometrical_figures_from_elements_by_euclid_3rd_century_bc_vellum","item_variant":"undefined"},{"item_id":"BLT236735","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"gallois_evariste_1811_32","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_2108_fol_11r_letter_from_gallois_to_auguste_chevalier_29th_may_1832_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"BLT236736","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"fresnel_augustin_jean_1788_1827","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_3412_page_of_experimental_notes_1823_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"UIG2626694","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"islamic_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_depicting_mathematical_charts_from_1538_edition_of_aja_ib_al_makhluqat_wa_ghara_ib_al_m","item_variant":"undefined"},{"item_id":"NRM260208","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"napier_s_rods_1671_1700_wood","item_variant":"undefined"},{"item_id":"CHT235329","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_geometry_study_after_sebastien_le_clerc_1717_coloured_engraving","item_variant":"undefined"},{"item_id":"BLT236732","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"galois_evariste_1811_32","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_2108_proposition_i_from_memoire_sur_les_conditions_de_resolubilite_des_equations_par_radicaux_173","item_variant":"undefined"},{"item_id":"TML155623","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"christ_s_hospital_school_badge_metal","item_variant":"undefined"},{"item_id":"XKH158597","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158598","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XIR162305","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"floris_frans_the_elder_c_1519_70_after","item_category5":"balown","item_list_name":"search_results","item_name":"geometry_engraved_by_hieronymus_cock_c_1510_70_engraving_b_w_photo","item_variant":"undefined"},{"item_id":"XKH158702","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"HUM351604","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"korean_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"counting_sticks_joseon_dynasty_wood","item_variant":"undefined"},{"item_id":"XKH158590","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"XKH158593","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"BLT236734","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_355_fol_18_intersection_of_surfaces_from_geometrie_descriptive_by_gaspard_monge_1746_1818_1814_en","item_variant":"undefined"},{"item_id":"XKH158594","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"XKH158720","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_typewriter_ink_and_crayon_on_paper","item_variant":"undefined"},{"item_id":"BMR218725","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"austrian_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"geometric_shapes_from_harmonices_mundi_by_johannes_kepler_1571_1630_published_in_linz_1619_engraving","item_variant":"undefined"},{"item_id":"CH1201729","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"opalka_roman_1931_2011","item_category5":"not_balown","item_list_name":"search_results","item_name":"1965_1_8_detail_2890944_2910059_acrylic_on_canvas","item_variant":"undefined"},{"item_id":"XKH158591","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"XKH158592","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"XKH158596","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"FGL1065914","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_clerk_maxwell_coloured_photo","item_variant":"undefined"},{"item_id":"NUM166697","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_12th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_235_f_32_33_geometry_from_a_traite_d_astronomie_vellum","item_variant":"undefined"},{"item_id":"IMJ256758","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"bill_max_1908_94","item_category5":"not_balown","item_list_name":"search_results","item_name":"untitled_1970_colour_litho","item_variant":"undefined"},{"item_id":"XKH158595","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"XKH158599","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158703","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158704","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158701","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"LLM3653644","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"napier_s_bones_or_rods_engraving","item_variant":"undefined"},{"item_id":"MTN251220","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"meitner_graf_lotte_1899_1973","item_category5":"not_balown","item_list_name":"search_results","item_name":"niels_bohr_1885_1962_b_w_photo","item_variant":"undefined"},{"item_id":"XKH158700","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_pencil_and_ink_on_paper","item_variant":"undefined"},{"item_id":"BMR214060","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"res_4720_the_letter_a_illustration_for_de_divina_proportione_by_luca_pacioli_1445_1517_1509_lithogra","item_variant":"undefined"},{"item_id":"CH477915","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"title_page_of_la_geometrie_by_rene_descartes_1664_engraving_print","item_variant":"undefined"},{"item_id":"CH437776","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"lusverg_giacomo_c_1636_89","item_category5":"not_balown","item_list_name":"search_results","item_name":"protractor_square_1686_brass","item_variant":"undefined"},{"item_id":"ACD236731","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ampere_andre_marie_1775_1836","item_category5":"not_balown","item_list_name":"search_results","item_name":"rectification_of_the_arc_of_a_circle_8th_july_1788_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"STC255923","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"cesariano_cesare_di_lorenzo_1483_1543","item_category5":"not_balown","item_list_name":"search_results","item_name":"ideal_proportions_revealed_to_be_based_on_the_human_body_published_by_gottardo_da_ponte_como_1521_en","item_variant":"undefined"},{"item_id":"XKH158716","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pencil_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"ONT996051","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"borduas_paul_emile_1905_60","item_category5":"not_balown","item_list_name":"search_results","item_name":"3_3_2_1956_oil_on_canvas","item_variant":"undefined"},{"item_id":"ACD236729","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ampere_andre_marie_1775_1836","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_198_page_from_traite_des_sections_coniques_1788_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158721","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_ink_and_pencil_on_paper","item_variant":"undefined"},{"item_id":"XKH158715","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pencil_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158718","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_typewriter_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158722","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158708","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pencil_on_paper","item_variant":"undefined"},{"item_id":"XKH158723","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158719","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_typewriter_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158717","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_typewriter_ink_pen_and_pencil_on_paper","item_variant":"undefined"},{"item_id":"XKH158712","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"CHT248210","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"frontispiece_of_le_grand_banquier_de_france_ou_le_livre_des_monnaies_etrangeres_by_bertrand_francois","item_variant":"undefined"},{"item_id":"LIT423625","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"indian_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"astrological_chart_pen_ink_and_w_c_on_paper","item_variant":"undefined"},{"item_id":"XEE3091080","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"chinese_school","item_category5":"balown","item_list_name":"search_results","item_name":"algebra_illustration_from_the_nine_chapters_on_the_mathematical_art_by_jiuzhang_suanshu_ink_on_paper","item_variant":"undefined"},{"item_id":"UIG539862","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"forms_of_astrolabe_in_use_for_surveying_vignette_from_a_multiplication_table_published_in_1650_engra","item_variant":"undefined"},{"item_id":"UIG539891","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_the_altitude_of_the_sun_with_ring_dials_from_peter_apian_cosmographia_antwerp_1539","item_variant":"undefined"},{"item_id":"XKH158711","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pencil_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XKH158710","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pencil_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"UIG541798","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"triangulation_with_a_hinged_staff_from_sebastian_munster_rudimenta_mathematica_basle_1551_woodcut","item_variant":"undefined"},{"item_id":"XKH158714","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pencil_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"XIR217648","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"balown","item_list_name":"search_results","item_name":"dodecahedron_from_de_divina_proportione_by_luca_pacioli_published_1509_venice_engraving_b_w_photo","item_variant":"undefined"},{"item_id":"UIG539874","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_the_distance_of_an_inaccessible_object_by_triangulation_using_a_hinged_staff_from_robert_f","item_variant":"undefined"},{"item_id":"LLM3656059","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"ancient_mathematical_teachers_engraving","item_variant":"undefined"},{"item_id":"XKH158709","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pencil_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"UIG539859","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"using_astrolabes_to_calculate_the_height_of_a_steeple_from_peter_apian_cosmographia_antwerp_1539_woo","item_variant":"undefined"},{"item_id":"TBM375963","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"chosui_yabu_fl_c_1860_1930","item_category5":"not_balown","item_list_name":"search_results","item_name":"compass_and_branch_of_flowering_cherry_c_1930_woodblock_print","item_variant":"undefined"},{"item_id":"DGA1080709","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"perspective_box_of_interior_of_dutch_house_by_samuel_van_hoogstraten_1627_1678","item_variant":"undefined"},{"item_id":"SZT2971311","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"textbook_at_a_vocational_school_for_a_final_examination_2004_photo","item_variant":"undefined"},{"item_id":"XJF359054","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"dutch_school_17th_century","item_category5":"balown","item_list_name":"search_results","item_name":"johann_adam_schall_von_bell_from_china_illustrata_by_athanasius_kircher_1667_engraving","item_variant":"undefined"},{"item_id":"STC169084","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_technique_for_finding_the_true_pole_from_roald_amundsen_explorer_by_charles_turley_litho","item_variant":"undefined"},{"item_id":"XKH158713","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_typewriter_ink_pen_and_pencil_on_paper","item_variant":"undefined"},{"item_id":"XKH158754","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_the_series_konstruktion_new_york_new_york_1966_67_pen_and_pencil_on_paper","item_variant":"undefined"},{"item_id":"XKH158744","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_the_series_konstruktion_new_york_new_york_1966_67_pencil_on_paper","item_variant":"undefined"},{"item_id":"EPL6882900","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"argentina_buenos_aires_faculty_of_science_and_medicine","item_variant":"undefined"},{"item_id":"GEG6319395","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"retractation_de_galilee_in_1633_from_the_book_les_fastes_populaires_by_alphonse_esquiros_1853_engrav","item_variant":"undefined"},{"item_id":"MFR348318","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"goater_fl_c_1770","item_category5":"not_balown","item_list_name":"search_results","item_name":"hadley_quadrant_left_c_1770_and_backstaff_right_c_1760_brass_wood_ivory","item_variant":"undefined"},{"item_id":"STM752774","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"pencz_georg_1500_50","item_category5":"not_balown","item_list_name":"search_results","item_name":"geometria_from_the_series_the_liberal_arts_c_1541_engraving","item_variant":"undefined"},{"item_id":"UIG539865","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_surveyor_s_level_from_gaultherus_rivius_architechtur_mathematischen_kunst_nuremberg_1547_engraving","item_variant":"undefined"},{"item_id":"XKH158586","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_from_perforation_series_1966_mixed_media_on_paper","item_variant":"undefined"},{"item_id":"XKH158753","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_the_series_konstruktion_new_york_new_york_1966_67_pen_pencil_on_paper","item_variant":"undefined"},{"item_id":"XKH158732","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_kleine_konstruktion_new_york_1966_68_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"BRA1128570","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"abraham_sharp_oil_on_canvas","item_variant":"undefined"},{"item_id":"BRA3664378","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"sidley_samuel_1829_96","item_category5":"not_balown","item_list_name":"search_results","item_name":"sir_isaac_holden_1868_oil_on_canvas","item_variant":"undefined"},{"item_id":"XKH158743","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"darboven_hanne_1941_2009","item_category5":"balown","item_list_name":"search_results","item_name":"untitled_work_from_the_series_konstruktion_new_york_new_york_1966_67_pencil_on_paper","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"mathematisch","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":287,"search_results_page_number":1}