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Scientific American, Vol. 50, No. 7 (1884) (1884)

leaf 4

An illustration from Scientific American, Vol. 50, No. 7 (1884), 1884, leaf 4
the telephone, numbers on both scales. , justed for speeds greatly exceeding even the highest attained the audiphone, the sewing machine, the photograph, chromo- If it be desired to ascertain the relative proportion of rail- by the most radical of the high-speed engine builders of the lithographic… … 80 per cent on the scale B, then move scale D until TUCKER'S 388 miles intersects cord K (distance N. Y. to tribution, high economy, and perfect regulation, Petersburg, Va.), then movecord K until it inter- such as is seen in the best reciprocating engines, sects 98 miles (N.Y. to Philadelphia),…

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