Artifact Details Title Slide rule Catalog Number 102631762 Type Physical object Description The object consists of a slide rule, case, and box. The box label reads: "4181-3" "SLIDE RULE (IVORITE) WITH SCALE ARRANGEMENT AS ON THE LOG LOG DUPLEX DECITRIC" Manufacturer Keuffel & Esser Company Place Manufactured U.S. Identifying Numbers Model number 4181-3 Other number S481 Donor's ID number for rule Serial number 017779 Dimensions in box: 1 5/8 in x 13 1/4 in x 3 in Category Pre-computer/slide rule Credit Gift of Mike Konshak Lot Number X3741.2007
