1960's AGA Geodimeter Model 6, Original Case, Extras, Vintage Survey Equipment
"The Geodimeter Model 6, introduced in 1964, was a transistorized instrument with coaxially mounted transmitter and receiving optics. It had a range of 1-2 miles in daylight, and 10 miles in darkness, and a standard accuracy of 5 mm + 1mm/km. Without case or tripod, it weighed a mere 35 pounds. Advertisements showed it being carried by a woman, with text stating "Your assistant can look like this." Equipped with a tungsten lamp and various accessories, it cost approximately $10,000 and could be powered with a 12-volt car battery" - Smithsonian website
The little book pictured is just a log of the jobs this AGA machine was used on, with entries dating from 1967.
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