[{"id":30475,"url":"http://www165.123.244.137/subject/30475/","title":"Spearheads/Lanceheads","control_properties":[{"property":"Museum","value":"University of Pennsylvania Museum","inline":"","footnote":""},{"property":"Object Type","value":"Spearheads/Lanceheads","inline":"","footnote":""},{"property":"Object Type","value":"Arrowheads","inline":"","footnote":""},{"property":"Material","value":"Copper Alloy","inline":"","footnote":""}],"free_form_properties":[{"prop":"Description (Modern)","property_value":"Copper spear head, Type 5 with hollow socket haft.  Blade is narrow leaf shape in form, Rounded point.  Slight ridge down center of blade.  Haft is circular in cross section, hollow to fit over wood/reed of shaft.","inline_note":"","footnote":""},{"prop":"Description (Archival)","property_value":"CBS Register: no field number. copper arrow or spear head. leaft shaped. mounted on socket. length 124 mm","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":"B17524","inline_note":"","footnote":""},{"prop":"Measurement (Diameter)","property_value":"14","inline_note":"","footnote":"Haft"},{"prop":"Measurement (X)","property_value":"124","inline_note":"","footnote":""},{"prop":"Measurement (X)","property_value":"36","inline_note":"","footnote":"Haft"},{"prop":"Measurement (Y)","property_value":"19","inline_note":"","footnote":""},{"prop":"Measurement (Z)","property_value":"5","inline_note":"","footnote":""},{"prop":"Measurement (Z)","property_value":"2","inline_note":"","footnote":"Haft"},{"prop":"Conservation","property_value":"Possibly electrolytic reduction treatment","inline_note":"","footnote":""}]}]