Artifact Details Title Microcline slide rule Catalog Number B171.81 Type Physical object Description Object consists of rule, leather case and instruction pamphlet. Date undated Manufacturer Pickett, Inc. Identifying Numbers Model number 120 Dimensions 1/8 x 13 1/2 x 2 1/4 in. Category Pre-computer/slide rule Collection Title Gwen Bell artifact and book collection Series Title Pre-computing artifacts Credit Courtesy Gwen and Gordon Bell Lot Number B171.81
