Elektrooptiline kaugusmõõtur töötati algselt välja valguse kiiruse mõõtmiseks. Selle leiutas 1947. a Erik Osten Bergstrand ning 1953. a tõi selle turule Rootsi ettevõte AGA. Seda mõõtevahendit kasutati mandritevahelisel mõõdistustöödel.
The geodimeter was originally developed for measuring the speed of light, and was invented in 1947 by Erik Osten Bergstrand and commercialized in 1953 by the AGA company of Sweden. It was used in the Transcontinental Traverse.
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