surge chamber- Nuclear power plant
The sound of a water in a surge chamber. The process: when cooling water passes through a surface condenser it first reaches…

Manual desktop telephone exchange with wooden casing, a dial and a Bakelite handset. Manual exchanges were in use from the second half of the 19th century. In Slovenia, the last manual telephone exchange with eight connections ceased operating in September 1987.
Two magneto telephones are connected to the exchange.
The exchange is part of the collection of Museum of Post & Telecommunications.
Sound: Operation of a manual telephone exchange and the ringing of a magneto telephone
Sound level: 59 dB
Sound recordist: Dušan Oblak
Photographer: Veronika Štampfl
Video recordist: Barbara Grilc
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