Oslo Nord Central (Norsk Telemuseum)

In Oslo Norway you will find this beautiful small Museum displaying telephone exchanges and other
working switching equipment from the period 1920 - 1960. The museum is maintained by
retired Telecom engineers who volunteer to keep it running. It's only open by
appointment. Most interesting place to visit.

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IMG_0015a.jpg. Ringing and tone machine

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 IMG_0017a.jpg. Optical speaking clock 1934

IMG_0018a.jpg. Time announcing machine with gongs with different sounds

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IMG_0020a.jpg. Ringing and tone machine

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IMG_0022a.jpg. Rotary shaft motor

IMG_0023a.jpg. Ringing and tone machine

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IMG_0026a.jpg. Note the reversed dials

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IMG_0029a.jpg. Details from IMG_0018a.jpg

IMG_0030a.jpg. Details from IMG_0018a.jpg

IMG_0036a.jpg. 10 lines PABX

IMG_0037a.jpg. Note the reversed dials

IMG_0038a.jpg. Automatic selector tester

IMG_0039a.jpg. Hesselberggate 9 - Oslo - Norway