Blow Tester (1887) - Strength Tester by Everitt, P.

Actual Entry (non editable)

Blow Tester (c) 1887 Everitt [P. Everitt].

- TRIVIA -

Released in February 1887.

Patented on November 29, 1887 (U.S. Patent No 374,050).

- STAFF -

Invented & patented by : Percival Everitt

- SOURCES -

Machine's picture.

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Blow Tester