Pocket signal disk

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ddr-densho-390-116

Matsuoka Family Collection

A pocket signal disk with a rotating inner disk to display different alphanumeric signals. The disk likely belonged to Walter Matsuoka and possibly is connected to his time as a Boy Scout during his incarceration.

c. 1943

Physical Objects

Still Image

Densho

Courtesy of the Matsuoka Family Collection, Densho

API