Artifact Details Title Acu-Math slide rule Catalog Number 102631699 Type Physical object Description The object consists of a slide rule and leather case. On the left front bracket is scratched, "234X080". Written on the inside flap of the slipcase in red marker is "234X080". Date 1961 ca. Manufacturer Acu-Rule Co. Place Manufactured U.S. Identifying Numbers Model number 1500 Other number S388 Donor's ID number for rule Dimensions overall: 1/2 in x 3 1/2 in x 13 in Category Pre-computer/slide rule Credit Gift of Mike Konshak Lot Number X3741.2007