Grip Tester [Try Your Grip]

138 Years old Strength Tester Everitt, P. [London, England]

Grip Tester [Try Your Grip] © 1888 Everitt [P. Everitt].

TRIVIA

Released in September 1888.

Patented on April 02, 1889 (U.S. Patent No 400,839).

STAFF
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Invented & Patented by : Percival Everitt
SOURCES
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U.S. Patent No 400,839
Automatic Pleasures - The History of the Coin Machine - Nic Costa - 1988 - Page 114