h an aperture at the bottom, thus pinion, C, set in the guard, D. The pinion further gears in the lever, E. When the latter is worked ces are filled, with warm air; then if the air is cooled, avoiding, says the inventor, the dust caused by pour- back and forth motion is communicated to the dia- iog… … The patent was issued and tor many purposes will be found useful. The in- through the Scientific CHAMBERS'S COAL SCUTTLE. vention -was patented on American Patent Agen- which it contains, and a portion is deposited on the the 13th of December, 1864, by George Chambers, of cy on the 8th of November,…
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