mprovement has been patented by Thomas Frame, of Billings & Spencer Company, of Hartford, Conn. The to establish a still earlier date, 1826, while the French Salida, Col. Fig. 1 shows the headlight andsignal in illustration represents the vise held in a special form did not attempt to claim back of… … one ‘‘by which wheels are strengthened and a light It is built upon the suspension principle, the load THE BILLINGS VISE. carried upon the axle being suspended from the rim, wheel made strong.” A model of Da Vinci’s wheel has been made from his sketch and placed in the instead of being supported on…
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