Patent Model - Improvement in Instruments for Measuring Tires of Wheels
Maker and role
Junius Foster, Patentee
Jul 24 1866
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11 1/2 x 6 1/4" (29.2 x 15.9cm)
Foster's said in his patent: "The nature of my said invention consists in a guide applied to this wheel so as to cause the same to run correctly around the center or middle portion of the wheel and tire, so as to correctly measure the same, said guide being made adjustable to suit varying widths of tires and fellies." (Patent Number 54,546)
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