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Scientific American, Vol. 62, No. 1 (1890) (1890)
leaf 4
s to conform to the lateral tongues first bulb, whereby air may be kept under pressure in with appropriate ceremonies about six weeks ago. of the recess, to the basic portion of which it is spe- the second bulb, in the tube beyond which is alsoa cifically conformed, to constitute in effect a… … © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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