Published in Spring 1987 Zeiss Historica Journal
Author: Nicholas Grossman
See Page 4 – 5.
The military rangefinder was developed about the same time as the prism binocular. This 4 meter base version was on exhibit at the Auckland Museum and Institute in New Zealand. This article describes it and some similar devices for estimating the distance to a particular location or target. Illustrated with a smaller 32 cm base rangefinder.
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