BOOKS
N/A. - Barr & Stroud Limited.
The Principles of Rangefinding together with descriptive notes on the Barr & Stroud Rangefinders and their Principal features.
Glasgow, Barr & Stroud Limited, 1913.
€ 45.00
Papercover (protected with removable cellophane),, 45pp+12 b/w plates (some fold-outs), in very good condition (covers with light traces of use). "Pamphlet No. 42.".
Itemnummer 5321 
Very rare guide on the principles of telemetry telemeters and other optical instruments for distance measurements. It combines a basic study books for cadets etc. with a product catalogue of Barr & Stroud. The pioneering Scottish optical engineering firm formed in 1913 in Glasgow played a leading role in the development of modern optics including rangefinders for the Royal Navy and for other branches of British Armed Forces during the 20th century.