Artifact Details Title Acu-Math slide rule Catalog Number 102631696 Type Physical object Description The object consits of a slide rule and leather case. There are yellow adhesive stickers on both the slide rule and the case with the donor's ID number handwritten in black ink. Date 1960 ca. Manufacturer Acu-Rule Co. Place Manufactured U.S. Identifying Numbers Model number 900 Other number S047 Donor's ID number for rule Dimensions overall: 3/4 in x 12 1/2 in x 2 1/4 in Category Pre-computer/slide rule Credit Gift of Mike Konshak Lot Number X3741.2007