A sequel to the Experiments and observations tending to illustrate the nature and properties of electricity : wherein it is presumed, by a series of experiments expresly for that purpose, that the source of the electrical power, and its manner of acting are demonstrated. Addressed to the Royal Society / by William Watson.

William Watson

Date:: 1746

Credit: A sequel to the Experiments and observations tending to illustrate the nature and properties of electricity : wherein it is presumed, by a series of experiments expresly for that purpose, that the source of the electrical power, and its manner of acting are demonstrated. Addressed to the Royal Society / by William Watson. Source: Wellcome Collection.

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C *3 ] is held in the hand of a man Handing upon the floor, and with it he touches the gun-barrel, he perceives no fhock, for reafons prefently to be affigned. But if he takes this iron rod in one hand, and touches the gun-barrel with the other, he then is violently ftruck. We mu ft here obferve, that the vio¬ lence of the ftroke is always felt in our bodies, in proportion to the loudnels of the explofion, and the quantity of fire feen: therefore, as both thefe are equally perceptible, whether the electricity pafles only through the iron, as in the firft of thefe inftances; or through our bodies equally with the iron, as in the fecond; we conclude, that in both there is the fame degree ol eleCtrical force. By the firft of theie tr methods, you are capable of making others fenlible of the eleCtrical force, without feeling it yourfelf. This ex¬ periment, as well as the laft, will ad¬ mit of infinite variation.

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