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Tire-meas′ur-er.

An instrument for measuring the circumference of wheels and the length of the developed tires, invented by Wray of Springfield, Ohio, are shown in Fig. 6478. It differs from the ordinary tire-circle in having a supplementary hand b attached to the pointer a, which is fixed, while the hand b may be set so as to allow for the desired lap in welding.

Tirefond.

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Springfield, Clark County, Ohio (Ohio, United States) (1)

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Wray (1)
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