An account of some new experiments in electricity / [William Henly].

  • William Henly
Date:
1774
Catalogue details

Licence: Public Domain Mark

Credit: An account of some new experiments in electricity / [William Henly]. Source: Wellcome Collection.

    23/60 page 17
    [ *7 ] or negatively ; or as the conductor, from which ft charged, is electrified. Tab. xiv. fig. 5, letter A. fhews fuch a bottle, charging negatively, at a con¬ ductor, loaded with pojitive eleClricity. Letter B. fhews the fame bottle, charging positively, at the fame conductor. Tab. xiv. fig. 6. letter C. Chews the bottle charging pofitively at a conductor, electrified nega¬ tively; or at the infulated rubber. Letter D. fhews the fame bottle, charging negatively at the fame conductor. SECTION THIRD. Of the lateral explosion in the difchargc of the leyden BOTTLE. EXPERIMENT I. HAVING made a double circuit, the firft by an iron bar, one inch and an half in diameter, and half an inch thick; the fecond, by four feet and an half of lmall chain ; on difcharging ajar, containing five hundred fquare inches of coated furface, the eleftricity palled in both circuits, fparks being vi- iible on the fmall chain in many places. On making the difcharge of three jars, containing together fixteen fquare feet of coated furface, through three different chains at the fame time, tab. xiii. fig. 7. bright fparks were vifible in them all; and I have not# the lead doubt, but it would have been vifible in as many more. The chains were of iron and brafs, of very different lengths; the (horteft ten, or twelve inches, the C longed:.
    digitised image 1
    digitised image 2
    digitised image 3