Rangefinder
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A rangefinder is a device used to measure distances to remote objects. Originally optical devices used in surveying, they soon found applications in other fields, such as photography, the military, an
Portable German stereoscopic rangefinder from WWII
The coincidence rangefinder of the Polish destroyer ORP Wicher
Laser rangefinder
Second World War German range finding tower at La Corbière, Jersey
Admiral Graf Spee was a Deutschland-class Panzerschiff which served with the Kriegsmarine of Nazi Germany during World War II. The vessel was named after World War I Admiral Maximilian von Spee, comma
Rangefinder
…is derived from Ancient Greek τῆλε (têle) 'distant, far away' and μέτρον (métron) 'something used to measure'. Designs Rangefinder salvaged from the German cruiser Admiral Graf Spee on display in Montevideo The first rangefinder telemeter was invented by James Watt in 1769 and put to use in 1771 in surveying canals. Watt called his…
Admiral Graf Spee in 1936
Recognition drawing of a Deutschland-class cruiser
Admiral Graf Spee at Spithead in 1937; HMS Hood and Resolution (centre) lie in the background
1939 cruises Admiral Graf Spee Deutschland