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T send 77
Double tape reader - this page is a stub

T.send.77, sometimes abbreviated to T-77, was a double 5-level reader for punched paper tape, developed in the early 1950s by Siemens & Halske in Germany. The device was suitable for a wide range of applications but was typically used as part of a One-Time Tape (OTT) cipher machine.

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Siemens T-send-77b

Siemens T-send-77b Siemens T-send-77b Two tape readers with feeds Souble tape reader Double tape reader Open tape reader Multi-way connector ID plates
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Siemens T-send-77b
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Siemens T-send-77b
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Two tape readers with feeds
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Souble tape reader
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Double tape reader
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Open tape reader
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Multi-way connector
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ID plates

Cipher machines with T-send-77
Philips Ecolex I One-Time Tape cipher machine Philips Ecolex-II One-Time Tape cipher machine Siemens Schlüsselgerät D - One-Time Tape cipher machine
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© Crypto Museum. Created: Wednesday 11 September 2019. Last changed: Wednesday, 11 September 2019 - 06:55 CET.
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