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Scientific American, Vol. 68, No. 22 (June 1893) (1893)

leaf 8

An illustration from Scientific American, Vol. 68, No. 22 (June 1893), 1893, leaf 8
on under the air pump. sash partially open as desired, yet Nitrogen, on the other hand, can be holding it so it cannot be further frozen with comparative ease. It has opened from the outside. Fig. 1 rep- already been proved that in the evapo- resents the device in perspective, and ration of liquid… … shrinking or swelling of the wood. States was begun in 1817. THE HECLA'S SHAFT AS EEPAIRED AT SEA. © 1893 SCIENTIFIC AMERICAN, INC.

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