90005_7884_16

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90005_7884_16

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1950s

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Machine pumps create a high vacuum to remove moisture and air. An operator watches a signal board. The units pass through a tunnel containing helium.

1950s

A female worker uses an electronic nose that detects helium. A male worker…

1950s

Engineers overlook the dehydration process. CU of workers hands tightening…

1950s

Depicts interesting events in the 1957, including the Asian flu, the polio…

1950s

A machine on a refrigerator assembly line folds and welds a flat sheet of…