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Mechanical Television 1933 Russian Mirror Screw Set
Savod M.A. Chernov Moskau 30 line mirror screw set in the Popov Museum in St. Petersburg, Russia Courtesy of Gerolf Poetschke |
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Mechanical Television 1933 Russian Mirror Screw Set
Savod M.A. Chernov Moskau 30 line mirror screw set in the Popov Museum in St. Petersburg, Russia Courtesy of Gerolf Poetschke |