[{"id":30369,"url":"http://www165.123.244.137/subject/30369/","title":"Spearheads/Lanceheads","control_properties":[{"property":"Museum","value":"University of Pennsylvania Museum","inline":"","footnote":""},{"property":"Object Type","value":"Spearheads/Lanceheads","inline":"","footnote":""},{"property":"Material","value":"Copper Alloy","inline":"","footnote":""}],"free_form_properties":[{"prop":"Description (Modern)","property_value":"Copper spear head, part of the bald or possibly the tang of a spear.  Probably type 2.  Rectangular in section, raised line on both sides or object.  ","inline_note":"","footnote":""},{"prop":"Description (Archival)","property_value":"CBS Register: no field number. copper fragment of a spear (and tang)","inline_note":"","footnote":""},{"prop":"Material (Catalog Card)","property_value":"Copper Alloy","inline_note":"","footnote":"Material as described by Woolley"},{"prop":"Museum Number (UPM B-number)","property_value":"B16968","inline_note":"","footnote":""},{"prop":"Measurement (X)","property_value":"81","inline_note":"","footnote":""},{"prop":"Measurement (Y)","property_value":"12","inline_note":"","footnote":""},{"prop":"Measurement (Z)","property_value":"9","inline_note":"","footnote":""},{"prop":"Conservation","property_value":"Possibly electrolytic reduction treatment","inline_note":"","footnote":""}]}]