he fol- obviously, though not in so many words, for the pro- should have been sustained, except perhaps so far as lowing statement : duct of the mechanical process described in the patent the second claim of the last patent is concerned. " Pulleys thus manufactured are perfectly balanced, just… … South America 56 119 usually of cast metal, and a wrought metal rim, made substantially in the manner detailed in that United States and Canada 51541 which is secured to the spider;" and that his in- patent. Russia 47795 vention "consists in a pulley which is perfectly After detailing the…
Patents · Munn · Illustrated · Color · Tides · Pulley · Scientific American · Belt pulleys · Running time · Horse power · Wrought metal · Belt pulley · Gas engines · Carbonic acid · Sheet metal · Postal union
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