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Russian Brass Pocket Equinoctial Sundial, c. ...
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Electrical Telewriting Machine by Jules Richa...
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Nuremberg Sundial by Stockert, Late 18th Cent...
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Clandestine Receiver Mark 301, c. 1954...
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8 Transmitting Tubes (Triodes)...
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13 Transmitting Tubes...
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8 Telefunken Transmitting Tubes (Triodes)...
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6 Telefunken Transmitting Tubes (Triodes)...
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6 Large German Transmitting Tubes...
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Group of Electroluminescent and other Crystal...
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Wehrmacht Voltage-Regulator Tubes, c. 1940...
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Transmitting Tubes (Triodes) and Further Elec...
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Telefunken PE 484/3 Miniature Direction Finde...
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British Army Rucksack Transceiver, c. 1940...
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2 Rohde & Schwarz Radio Technical Laboratory ...
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Whaddon Mk VII - Paraset Clandestine Radio, c...
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Swedish Military Receiver MT-910 B, c. 1965...
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French Brass Morse Telegraph by Digney, c. 18...
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Spy Radio Set AN/GRC-109, c. 1950...
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MK XV Transmitter with Associated Receiver, c...
