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Pneumatic Tubes

Only Available in Archive Formats.
Pneumatic Tubes

Pneumatic Tubes

Pneumatic Tubes

Only Available in Archive Formats.

Medical labs and drive-in banks are still using the pneumatic tube, whose heyday was back in the 19th century when the device was a means of sending messages from building to building. The tube made a comeback in the 1970's when engineers figured out how to make it gentle enough for hospitals to transport blood samples. Joel Obermayer reports from Danville, Pennsylvania.

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