{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"SZT717584","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"max_scheler","item_category5":"not_balown","item_list_name":"search_results","item_name":"werner_heisenberg_1958_b_w_photo","item_variant":"undefined"},{"item_id":"SZT717567","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"max_scheler","item_category5":"not_balown","item_list_name":"search_results","item_name":"werner_heisenberg_and_a_b_migdal_1958_b_w_photo","item_variant":"undefined"},{"item_id":"UTD2860240","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"letters_to_lucerne","item_variant":"undefined"},{"item_id":"SZT717587","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"max_scheler","item_category5":"not_balown","item_list_name":"search_results","item_name":"werner_heisenberg_and_a_b_migdal_1958_b_w_photo","item_variant":"undefined"},{"item_id":"SZT716451","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"picture_of_albrecht_duerer_b_w_photo","item_variant":"undefined"},{"item_id":"SZT717591","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"max_scheler","item_category5":"not_balown","item_list_name":"search_results","item_name":"werner_heisenberg_and_a_b_migdal_1958_b_w_photo","item_variant":"undefined"},{"item_id":"UTD2846729","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"child_starlet_cornelia_froboess_at_a_promotional_shooting_for_her_new_45_rpm_record","item_variant":"undefined"},{"item_id":"SZT716452","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"duerer_or_duerer_albrecht_1471_1528","item_category5":"not_balown","item_list_name":"search_results","item_name":"nude_woman_ink_on_paper","item_variant":"undefined"},{"item_id":"IMO8779782","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"klaus_rose","item_category5":"not_balown","item_list_name":"search_results","item_name":"80s_90s_events_deu_germany_the_historical_slides_from_the_80s_90s_events_and_people_from_politics_19","item_variant":"undefined"},{"item_id":"BL5974293","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"title_page_of_the_ground_of_artes_by_robert_recorde_1543_woodcut","item_variant":"undefined"},{"item_id":"CHT213226","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"leray_auguste_eugene_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"sophie_germain_1776_1831_aged_14_illustration_from_histoire_du_socialisme_c_1880_engraving_b_w_photo","item_variant":"undefined"},{"item_id":"BAL136317","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":"frontispiece_to_volume_i_of_the_mathematical_principles_of_natural_philosophy_by_sir_isaac_newton_16","item_variant":"undefined"},{"item_id":"XIR177447","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"babylonian","item_category5":"balown","item_list_name":"search_results","item_name":"tablet_with_cuneiform_script_c_1830_1530_bc_clay","item_variant":"undefined"},{"item_id":"UTD4705596","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"simon_carl_1873_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"ein_kopf_eines_mannes_aus_dem_6_jhdt_in_gr","item_variant":"undefined"},{"item_id":"LAL319627","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"teaching_algebra","item_variant":"undefined"},{"item_id":"BEN85058","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"italian_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"gal_37_f_3r_frontispiece_to_a_copy_manuscript_of_the_operation_of_geometric_and_military_compasses_w","item_variant":"undefined"},{"item_id":"CHT163437","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"meeting_of_the_bourbaki_group_in_besse_en_chandesse_puy_de_dome_july_1935_b_w_photo","item_variant":"undefined"},{"item_id":"BL5848712","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"russian_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"letter_from_euler_to_goldbach_on_the_exponential_from_correspondance_mathematique_et_physique_de_que","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":"AMO113755","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"prehistoric","item_category5":"not_balown","item_list_name":"search_results","item_name":"prehistoric_tablet_with_multiplication_table_plaster","item_variant":"undefined"},{"item_id":"BAL136316","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":"axioms_or_laws_of_motion_from_volume_i_of_the_mathematical_principles_of_natural_philosophy_by_sir_i","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":"KDC473458","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bull_rene_1872_1942","item_category5":"not_balown","item_list_name":"search_results","item_name":"mathematics_1936_colour_litho","item_variant":"undefined"},{"item_id":"XIR429084","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"duccio_agostino_di_1418_c_81","item_category5":"balown","item_list_name":"search_results","item_name":"mathematics_c_1450_marble","item_variant":"undefined"},{"item_id":"UIG5311422","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"algebraic_division_the_procedure_displayed_in_a_circular_pattern_17th_century","item_variant":"undefined"},{"item_id":"LLM459560","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"armet_portanell_jose_1843_1911","item_category5":"not_balown","item_list_name":"search_results","item_name":"rene_descartes","item_variant":"undefined"},{"item_id":"BAL136311","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":"plate_xx_from_volume_i_of_the_mathematical_principles_of_natural_philosophy_by_sir_isaac_newton_1642","item_variant":"undefined"},{"item_id":"XIR226108","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"italian_school_16th_century","item_category5":"balown","item_list_name":"search_results","item_name":"mathematics_lesson_from_a_mathematical_treatise_w_c_on_paper","item_variant":"undefined"},{"item_id":"BAL136314","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":"plate_i_illustrating_law_ii_from_volume_i_of_the_mathematical_principles_of_natural_philosophy_by_si","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":"CHT171359","item_category":"object","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":"calculating_machine_invented_by_blaise_pascal_1623_63_in_1642_wood_and_metal","item_variant":"undefined"},{"item_id":"EPL6824358","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"maths_arithmetric","item_variant":"undefined"},{"item_id":"GIA4752335","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"reisch_gregor_d_1525","item_category5":"not_balown","item_list_name":"search_results","item_name":"liberal_arts_arithmetic_in_margarita_philosophica_by_gregor_reisch_1467_1525_bale_1517","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":"LAL957457","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"galileo_became_a_professor_of_mathematics_at_padua_colour_litho","item_variant":"undefined"},{"item_id":"REV116847","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"mesopotamian","item_category5":"not_balown","item_list_name":"search_results","item_name":"accounts_table_with_cuneiform_script_c_2400_bc_terracotta","item_variant":"undefined"},{"item_id":"CHT162794","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"reisch_gregor_d_1525","item_category5":"not_balown","item_list_name":"search_results","item_name":"allegory_of_arithmetic_from_margarita_philosophica_by_gregor_reisch_1503_woodcut","item_variant":"undefined"},{"item_id":"BAL136318","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":"plate_xix_illustrating_proposition_lxv_theorem_xxv_from_volume_i_of_the_mathematical_principles_of_n","item_variant":"undefined"},{"item_id":"ACD163306","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"poincare_henri_1854_1912","item_category5":"not_balown","item_list_name":"search_results","item_name":"manuscript_on_electron_dynamics_5th_june_1905_pen_and_ink_on_paper","item_variant":"undefined"},{"item_id":"LLM11727502","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bull_rene_1872_1942","item_category5":"not_balown","item_list_name":"search_results","item_name":"mathematics_colour_litho","item_variant":"undefined"},{"item_id":"LRI4694223","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"floris_frans_1519_70","item_category5":"not_balown","item_list_name":"search_results","item_name":"geometry_allegory_and_personification_of_geometry_holding_a_comppas_above_a_globe_different_geometri","item_variant":"undefined"},{"item_id":"BL239365","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"greek_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"add_34186_no_2_writing_tablet_possibly_2nd_century_wax","item_variant":"undefined"},{"item_id":"MEV5049294","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bussola_dionigi_1615_1687","item_category5":"not_balown","item_list_name":"search_results","item_name":"allegory_of_mathematics_c_1673_terracotta_painted_as_fake_bronze","item_variant":"undefined"},{"item_id":"MEV5044973","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bussola_dionigi_1615_1687","item_category5":"not_balown","item_list_name":"search_results","item_name":"allegory_of_mathematics_c_1673_terracotta_painted_as_fake_bronze","item_variant":"undefined"},{"item_id":"EPL6824363","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"maths_geometrie","item_variant":"undefined"},{"item_id":"LLE817299","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"norwegian_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"niels_henrik_abel_1801_1829_norwegian_mathematician_litho","item_variant":"undefined"},{"item_id":"TRK560767","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"pascal_blaise_1623_1662_french_mathematician_physicist_and_philosopher","item_variant":"undefined"},{"item_id":"EUL307765","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vanderbank_john_1694_1739_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"sir_isaac_newton_engraving","item_variant":"undefined"},{"item_id":"XIR184028","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"mesopotamian","item_category5":"balown","item_list_name":"search_results","item_name":"tablet_with_fourteen_lines_of_a_mathematical_text_in_cuneiform_script_and_a_geometric_design_stone","item_variant":"undefined"},{"item_id":"LLM5198212","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":"adding_machine_litho","item_variant":"undefined"},{"item_id":"UIG5311352","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_type_of_magic_square_used_to_demonstrate_the_power_of_the_mystical_number_7_there_are_seven_number","item_variant":"undefined"},{"item_id":"LLE5234064","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bogdanov_belsky_nikolai_petrovich_1868_1945","item_category5":"not_balown","item_list_name":"search_results","item_name":"mental_calculation_1895_colour_litho","item_variant":"undefined"},{"item_id":"CHT164098","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_latin_11411_fol_99_pythagoras_sphere_vellum","item_variant":"undefined"},{"item_id":"BL5848715","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"russian_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"letter_from_euler_to_goldbach_on_the_exponential_from_correspondance_mathematique_et_physique_de_que","item_variant":"undefined"},{"item_id":"BL5848713","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"russian_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"letter_from_euler_to_goldbach_on_the_exponential_from_correspondance_mathematique_et_physique_de_que","item_variant":"undefined"},{"item_id":"BL5848714","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"russian_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"letter_from_euler_to_goldbach_on_the_exponential_from_correspondance_mathematique_et_physique_de_que","item_variant":"undefined"},{"item_id":"UIG3904273","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"sofia_vasilievna_kovalevskaya_1859_1891_russian_mathematician","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":"UIG3586435","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"george_neville_watson","item_variant":"undefined"},{"item_id":"LAL957458","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"galileo_created_a_telescope_and_discovered_four_satellites_of_jupiter_colour_litho","item_variant":"undefined"},{"item_id":"XJF2639707","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century","item_category5":"balown","item_list_name":"search_results","item_name":"rene_descartes_engraving","item_variant":"undefined"},{"item_id":"CHT170090","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"chinese_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"abacus_with_the_numbers_0205847326212_wood","item_variant":"undefined"},{"item_id":"CHT223765","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":"pythagoras_c_570_480_bc_teaching_a_class_of_students_illustration_from_ovid_s_metamorphoses_engravin","item_variant":"undefined"},{"item_id":"CHT163747","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"galois_alfred_fl_1840","item_category5":"not_balown","item_list_name":"search_results","item_name":"evariste_galois_1811_32_1848_engraving_b_w_photo","item_variant":"undefined"},{"item_id":"LLM655614","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":"euclid_engraving","item_variant":"undefined"},{"item_id":"XLF3792600","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"foucault_pendulum","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":"IBE5380036","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"abacus","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":"UIG5311268","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_figure_showing_a_method_of_multiplying_1223_left_by_20_using_counters_on_a_lined_reckoning_board_t","item_variant":"undefined"},{"item_id":"UIG5311420","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_five_regular_geometrical_solids_17th_century","item_variant":"undefined"},{"item_id":"SIC829902","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_bronze_plaque_for_mathematics","item_variant":"undefined"},{"item_id":"ACD237245","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"richard_dedekind_1831_1916_b_w_photo","item_variant":"undefined"},{"item_id":"KWE421834","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":"john_wallis_1825_engraving","item_variant":"undefined"},{"item_id":"IBE5355335","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"mathematics_abacus_photo","item_variant":"undefined"},{"item_id":"IBE5377876","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"mathematics_abacus_object","item_variant":"undefined"},{"item_id":"GIA4812783","item_category":"photo","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":"la_pascaline_calculation_machine_of_blaise_pascal","item_variant":"undefined"},{"item_id":"IBE5378658","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"euclid_325_265_bc_greek_mathematician_page_from_the_elements_printed_monograph","item_variant":"undefined"},{"item_id":"KWE421832","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":"claudius_ptolemaeus_or_ptolemy_1825_engraving","item_variant":"undefined"},{"item_id":"DAC227383","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"cacouault_daniel","item_category5":"not_balown","item_list_name":"search_results","item_name":"yellow_blue_oil_on_canvas","item_variant":"undefined"},{"item_id":"XLF3792599","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"friedrich_wilhelm_bessel","item_variant":"undefined"},{"item_id":"ELS9061089","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category4":"lessing_erich","item_category5":"not_balown","item_list_name":"search_results","item_name":"la_pascaline_calculating_machine_constructed_by_blaise_pascal_and_technical_drawings_musee_des_arts_","item_variant":"undefined"},{"item_id":"SIC829894","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_bronze_plaque_for_mathematics","item_variant":"undefined"},{"item_id":"EPL6873845","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"john_ward_mathematics","item_variant":"undefined"},{"item_id":"LLM8636415","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":"simple_maths_engraving","item_variant":"undefined"},{"item_id":"DAC224569","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"cacouault_daniel","item_category5":"not_balown","item_list_name":"search_results","item_name":"red_cube_oil_on_canvas","item_variant":"undefined"},{"item_id":"UIG5311421","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_algebraic_division_the_procedure_displayed_in_a_circular_pattern_17th_century","item_variant":"undefined"},{"item_id":"USB1162287","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"zucchi_antonio_1726_95","item_category5":"not_balown","item_list_name":"search_results","item_name":"putto_with_personification_of_mathematics","item_variant":"undefined"},{"item_id":"BMR231135","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_human_head_illustration_for_divina_proportione_by_luca_pacioli_1445_1517_1509_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"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"mathematik","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":3085,"search_results_page_number":1}