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Scientific American, Vol. 55, No. 15 (1886) (1886)

leaf 6

An illustration from Scientific American, Vol. 55, No. 15 (1886), 1886, leaf 6
st. A curve is de- minutes, and the bromide at ninety-six inches distant been misinformed, viz., that the ball curves toward scribedtoward F. The atmosphereat BE, because of its for ten seconds. Mr. A. Mackie said he had tested col- the side on which it meets the greater resistance. greater… … has a tendency to run into spots, and give a rough either (1) these cavities have always been full of natu- by the curved line, appearance to the finished picture. The print being ral gas and petroleum at a fixed pressure, or else (2) 4 a. Then the re- colored and ready for enameling, a sheet of…

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