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  Charles F. Brannock

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Brannock foot measuring device

Magazine page showing Brannock foot measuring device

Page from Brannock's lab notebook showing device ideas

Brannock's sketch of the foot measuring device

Brannock's U.S. patent for the foot measuring device

Brannock foot measuring device

The Brannock Device measured the length and width of a person's foot at the same time.

 
Smithsonian