SHOWCASE 9. CELL 9-21
Telegraph
Receivers (Model 1870)
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Morse-1
- Telegraph receiver of 1923 made in Petrograd, Soviet
Union... more >>
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KL7 -
телеграфный ключ аппарата Морзе (1923)...
more >>
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Morse-2
- Telegraph receiver of 1880 made in Berlin, Germany... more
>>
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