Air compressor, mono

Recorded with close mic.
This air compressor, built by the Atlas company in Stockholm, resides next to a power generator, driven by a large hot bulb engine. The machinery in this part of the Pythagoras mechanical workshop was installed in the early 1930. This gives a pointer to the age of the air compressor, whose origins and year of manufactory is unknown.

Machine type: Air compressor
Manufa…