Artifact Details Title Slide rule Catalog Number 102631713 Type Physical object Description The object consists of a slide rule and leather case. On the inside flap of the case is written in ink "Carol Van Hooze?" (unsure what last letter is). Also inside the flap written in penceil is "JRS". Manufacturer Charvos-Roos Corp. Place Manufactured U.S. Identifying Numbers Model number SR-111 Other number S369 Donor's ID number for rule Dimensions overall: 1/2 in x 2 3/4 in x 13 in Category Pre-computer/slide rule Credit Gift of Mike Konshak Lot Number X3741.2007