Artifact Details Title Slide rule Catalog Number 102666559 Type Physical object Description The object consists of a slide rule and paper box. The box is labeled "W&G", "DUALFACE TRIGONOMETRICAL SLIDE RULE". Handwritten on the bottom end in pencil is "624824". On the inside of the box are partially illegible initials. Date 1941 ca. Manufacturer W&G Record Processing Company Place Manufactured Australia Identifying Numbers Model number 476 Other number S570 Donor's ID number for rule Dimensions in box: 3/4 in x 14 in x 2 1/2 in Category Pre-computer/slide rule Credit Gift of Mike Konshak Lot Number X3741.2007