Artifact Details Title Map distance measuring device Catalog Number XB129.80 Type Physical object Description Hand held distance measuring device for maps or drawings. This example calibrated in "Inches to Miles or Versters" and also in "Centimeters to Kilometers". This version has a compass on the reverse side. Date undated Manufacturer TACRO Inc Place Manufactured Germany Dimensions overall: 3/8 in x 1 1/4 in x 3 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