Patent Office Curiosities and Ingenuities
Some Curiosities and Ingenuities of the Patent Office! These include a popelling device, a helmet-mounted gun, a submersible lifesaving apparatus, a cool pipe, a mirth-provoking cigarette-holder and an umbrella hat
Picture No
10294022
Media ID
46056956
Size
3200px x 5045px
(2.3MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
Unattributed illustrations from The Illustrated London News, 25 December 1920 p1069
Date
1920
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Curiosities Ingenuities Innovation Innovations Inventions Lifesaving Mechanism Mirth Overhead Patent Patents Provoke Provoking Sighting Slot Submersible Viewing
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