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Scientific American, Vol. 9, No. 25 (1863) (1863)

leaf 15

An illustration from Scientific American, Vol. 9, No. 25 (1863), 1863, leaf 15
as compact a condi- any time they can easily be tightened again with a implement is supported entirely on the roller, H, at tion as possible. small pocket screw-driver. These skates can be at- back and on the castor wheels, Q Q, infront. It is A, represents a harrow suspended at its center by… … In this respect it stands unrivalled. It not only finds its way o almost every workshop in the country, as the earnest friend of the mechanic and artizan, but it is found in the counting-room of the man- ufacturer and the merchant ; also in the library and the househoid, The publishers feel…

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