[{"id":31571,"url":"http://www165.123.244.137/subject/31571/","title":"31-16-564K","control_properties":[{"property":"Museum","value":"University of Pennsylvania Museum","inline":"","footnote":""},{"property":"Object Type","value":"Spindle Whorls","inline":"","footnote":""}],"free_form_properties":[{"prop":"Description (Modern)","property_value":"Rounded truncated biconical whorl, edges of perforation at the top slightly flared. Gray clay, smooth surface. Diameter of perforation 7 mm at both ends.  Perforation centered.","inline_note":"","footnote":""},{"prop":"Museum Number (UPM Date Reg Number)","property_value":"31-16-564K","inline_note":"","footnote":""},{"prop":"Measurement (Weight)","property_value":"4.1 grams","inline_note":"","footnote":""},{"prop":"Measurement (X)","property_value":"21","inline_note":"","footnote":""},{"prop":"Measurement (Y)","property_value":"13","inline_note":"","footnote":""}]}]