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Lomopedia: Ur-Leicas · Lomography
Leica Store Las Vegas - Oskar Barnack Invents the Ur-Leica The #UrLeica was the first, fully functional prototype of a revolutionary new still picture camera for 35 mm perforated film. The camera
Leica Camera AG – Photokina 2012 Ur-LEICA – BITFLARE GmbH
Leica Prototype Sells for a Record $15 Million at Auction | Barron's
Did Oskar Barnack build a 35mm camera before the Ur-Leica? - Kosmo Foto