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Scientific American, Vol. 63, No. 6 (1890) (1890)

leaf 10

An illustration from Scientific American, Vol. 63, No. 6 (1890), 1890, leaf 10
casing. On the These experiments prove that the nature of the a very cold mixture of one part of fuming nitric acid end of the shaft next to the units wheel is a loosely and two parts of concentrated sulphuric acid untila leaves has a great influence upon the danger that dit- swinging lever, the… … 30. Of five magnetizable samples, the highest breaking six or twelve more are almost done, and a lot of six stress was 80:12 tons, the lowest 85°76; highest exten- is just being erected.—ational Car and Locomotive of a ratchet wheel on the outer face of the units wieel. sion 8'33 per cent, lowest…

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