Patent 556,248 This invention relates to a novel device for automatically effecting polite salutations by the elevation and rotation of the hat on the head of the saluting party when said person bows to the person or persons saluted, the actuation of the hat being produced by mechanism therein and without the use of the hands in any manner.

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Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
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