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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

This page from Brannock's laboratory notebook shows how he figured out how the device would work.

 
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