Miscellaneous experiments and remarks on electricity, the air-pump, and the barometer : with the description of an electrometer of a new construction ... / by A. Brook, of Norwich.

  • Brook, Abraham
Date:
1797
Catalogue details

Licence: Public Domain Mark

Credit: Miscellaneous experiments and remarks on electricity, the air-pump, and the barometer : with the description of an electrometer of a new construction ... / by A. Brook, of Norwich. Source: Wellcome Collection.

    69/246 (page 43)
    and to proportion the one to the other, [fee Remark 6,] a third part was concluded on to be tried, that is, inftead of about thirty* fix feet of coating, I added one third, or, twelve feet, which made it forty-eight feet: and that, inhead of charging to twenty-five grains (or twenty- four grains) which divides by three better, to omit one third of the height of the charge, which leaves fixteen grains, and thus I fuc- ceeded perfectly well; for three inches of Jtecl wire one eightieth of an inch thick was as cu- rioufly melted with forty-eight feet of coated furface, charged to fixteen grains, as any of the former*. REMARK X. Thefe bottles, thus broken in large dis- charges, feem always to break, or to be ftruck * The deftruCtion of fo many bottles in the laft experiment To much altered the battery, which hitherto was not fo commodious as could be wifhed, that I refolved to make the arrangement anew, and in the order, mentioned in the introduction to the work, by which any fingle bottle or any number of them may be difengaged very readily without removing any of the other, and in this form it has been continued. G 2 through,