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STK
Standard Telefon og Kabelfabrik

STK, or Standard Telefon og Kabelfabrik, was a telephone, electronics and cable company in Oslo (Norway). They are commonly referred to as Standard. STK was establised in 1915 and was later owned by ITT, then Alcatel and finally Thales.

 More about STK (history)
 More about Thales
  
STK-logo. Copyright Crypto Museum

 
STK cipher machines on this website
ATCRRM mixer machine used on the Washing-Moscow hotline Key-tape puncher for creating random tapes SELMA OKA-150, telegraphy cipher machine TCE-160 mixer machine. Transistorized version of the ETCRRM. Cryptel 240, telegraphy cipher machine Cryptel 245, telegraphy cipher machine TCE-300, bulk encryption system TCE-500, secrure crypto telephone
RACE (KL-51)

 
Known STK cipher machines
Further information

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Crypto Museum. Last changed: Tuesday, 26 May 2015 - 12:21 CET.
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