Showing posts with label 1929. Show all posts
Showing posts with label 1929. Show all posts

Sunday, December 9, 2012

Beauty with Indirect Lighting (1929)

Dick Cole. "Dressing up the Christmas Tree." Popular Mechanics 52 (December 1929).

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Thursday, September 6, 2012

Crib and Intake (1929)

Model of a unit in Chicago's water supply system.
"How City Receives Its Water Shown by Models." Popular Mechanics. 21 (June 1929).

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Thursday, July 5, 2012

Free Breathing (1929)

Aviator's Face Mask with its stiff nose piece, which allows free breathing.regardless of wind pressure
:Aviator's Face Mask Permits Free Breathing." Popular Mechanics. 51 (May 1929).

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Tuesday, July 3, 2012

Mask Guards Eyes & Mouth (1929)

Worker's Safety Face Mask Guards Eyes and Mouth
"Worker's Safety Face Mask Guards Eyes and Mouth." Popular Mechanics. 51 (June, 1929).
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