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Scientific American, Vol. 23, No. 18 (October 1870) (1870)

leaf 7

An illustration from Scientific American, Vol. 23, No. 18 (October 1870), 1870, leaf 7
necessity of pawls or brakes for this pur- .ost reduced, and brought within the means of even the sms.ll, every stroke of the pump causes almost a clean wash poorest of the people. pose. out, thus keeping the crown always cool, that being the place There being always a number of teeth in the wheel,… … provided with this movement, in which the wheel, B, is only variations, three times more, and the slab is then in a condi- nine inches in diameter, he is able to raise three tuns with " With a condenser on this principle a great saving of orig tio!, fit for polishing. The polishing process is…

Patents · Knot · Antedated · Cotton · Iron · Antedated october · Mechanical · Left hand · Large number · Scientific American · Portable engines · Trade catalogs · Patent office · Running knot · Takes place · Henry carey

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