Artifact Details Title Map distance measurer or reader Catalog Number XB200.82 Type Physical object Description Hand held device for measuring distances on maps or other drawings. Date undated Identifying Numbers Serial number None Dimensions overall: 1/4 in x 1 1/2 in x 4 1/2 in Category Analog computer Collection Title Gwen Bell artifact and book collection Series Title Pre-computing artifacts Credit Gift of Gwen and C. Gordon Bell Lot Number X6288.2012