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Scientific American, Vol. 45, No. 25 (1881) (1881)

leaf 7

An illustration from Scientific American, Vol. 45, No. 25 (1881), 1881, leaf 7
ll be called the ‘‘ American Express Line.” located as to allow a plate of its shell loaded with an internal ter open. By raising the inside catch, C, the outside catch pressure of nearly eight tons to the square foot to turn out- +O can be freed fromits loop. The shank of catch, C, passes ward, as… … number 888, or nearly 28 per cent, were dangerous. This quantity of electricity he shows to be equal to 800,000 The detailed statement of the defects is given, which charges of a Leyden battery of fifteen jars, each contain- AYER’S SHUTTER FASTENER. includes the notable items of 140 fractured…

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