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Scientific American, Vol. 17, No. 12 (1867) (1867)

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An illustration from Scientific American, Vol. 17, No. 12 (1867), 1867, leaf 0
s made by a bar, of disease mentioned, but A, Figs. 1 and 2, the upper not one need die, they are end of which is strapped to avoidable diseases, their a pin, B, Fig. 2, on the driven causes being known and wheel which pin may be con- all that is required is to sidered the wrist of a crank. bring a… … The next improvement is the where are found in com bination heat, moisture, manner of equalizing the ten- and consequently the needle, itself, is stationary, and the and vegetable matter, such as leaves, wood, etc., for the heat sion of the thread. For this purpose a pair of circular plates loop is…

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