The sewage treatment plant (13): the secondary sludge tank
Sounds recorded at a secondary tank, where the sludge from mechanical and biological treatment is mixed. The waste will be used for…
Metal cutter
00:00
02:27
About the sound
First cut is a hollow square iron
Second cut is a 30 millimetres massive rectangular iron
Manufacturer:
SAJO
AB Sandéns mekaniska verkstad, Värnamo
Type: RC.30
Machine nr: 637 277
1930s
Åtvidabergs railroad switch and signal factory (Åtvidabergs Spårväxlar & Signalfabriks AB)
In short the factory name was ÅSSA. It was founded 1907 but got its current name 1932. The main production was railroad switches and railroad signal systems. ÅSSA closed 1987.
An early car production started in 1911 and the only surviving car can be seen at the ÅSSA museum which is in the same building as the factory once started.
Sound recordist: Torsten Nilsson
Photographer: Torsten Nilsson
Video recordist: Torsten Nilsson
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