Tubes Pneumatiques - Rorpost - Potrubni Posta - Pneumatica

Image: Die entwicklung und der heutige stand der Stadtrohrposttechnik

The history of the Pneumatic Tube System, a theoretical explanation of the air proportions on Pneumatic Tube Systems and descriptions of several system components.

Writer: DeTeWe (Deutsche Telephon Werke und Kabelindustrie A.G. Berlin)
Language: German
First Edition: 1929
ISBN: -

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Image ID:
1006
License:
Copyright
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