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Scientific American, Vol. 71, No. 17 (1894) (1894)
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r, having a lock on the outside. ficulty was experienced in the construction, owing to struction no stays are necessary for the heads, so that Each cage also has a door opening into the body por- the entire boiler may be of wrought iron, and the the mountainous character of the country. The ap-… … © 1894 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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