Title
Map mileage reader
Catalog Number
XB343.85
Type
Physical object
Description
Hand held device to measure distances on maps or other drawings.
Date
undated
Manufacturer
Wittnauer Watch Co. Inc.
Place Manufactured
U.S.
Dimensions
overall: 1/4 in x 1 3/8 in x 4 7/8 in
Category
Analog computer
Collection Title
Gwen Bell artifact and book collection
Series Title
Pre-computing artifacts
Credit
Courtesy Gwen and Gordon Bell