Patent Model - Improvement in Squares
Maker and role
J. Morss, Patentee
Jul 30 1867
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1 5/16 x 7 1/2 x 4 3/8" (3.3 x 19.1 x 11.2cm)
The measuring square improved by Morss was "constructed...so that the blade can be adjusted in the stock, and the instrument rendered serviceable under circumstance which would not admit the employment of an ordinary square." (Patent Number 67,338)
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