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Scientific American 1903-03-21

ScientificAmerican1903-03-21.jpg Scientific American 1903-01-31ThumbnailsScientific American 1903-04-18Scientific American 1903-01-31ThumbnailsScientific American 1903-04-18Scientific American 1903-01-31ThumbnailsScientific American 1903-04-18Scientific American 1903-01-31ThumbnailsScientific American 1903-04-18Scientific American 1903-01-31ThumbnailsScientific American 1903-04-18

The pneumatic tube system of a modern department store. Controlled by one operator. Engine and section of conduit of the Boston Pneumatic Package Service. Sending tubes connecting with Sales Department terminals in Cashier's office. Power plant showing engine, blowers, and main conduits. Cashier's office showing pneumatic receivers.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner