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Scientific American, Vol. 62, No. 7 (February 1890) (1890)

leaf 3

An illustration from Scientific American, Vol. 62, No. 7 (February 1890), 1890, leaf 3
d resistance, and not necessarily by lineal feet or inches. and the edge of the breast curved or bent down—per- The ampere is the unit of intensity of current ; it is mits the hand and arm to move easily to any desired not a unit of quantity, except indirectly. It is the cur- position on the… … ber of "amperes a second," instead of simply "am- BABNABD'S VIOLIN. peres." If seconds are to be used, then the current should be spoken of as equal to so many " coulombs per second." Water flows at the rate of so many FAXSON'S HAND BAKF. with great facility. The instrument has five strings,…

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