Experiments and observations tending to illustrate the nature and properties of electricity. In one letter to Martin Folkes, Esq, President, and two to the Royal Society / by William Watson.

  • William Watson
Date:
1746
Catalogue details

Licence: Public Domain Mark

Credit: Experiments and observations tending to illustrate the nature and properties of electricity. In one letter to Martin Folkes, Esq, President, and two to the Royal Society / by William Watson. Source: Wellcome Collection.

    38/68 (page 30)
    [3° ] . thy Member of this Society, made at that Time by Art, and fhew’d the Society, Air exadtly of the fame Qua- lity. I was defirous of knowing if this Air would be kindled by electri- cal Flafhes. I accordingly made fuch Air by putting an Ounce of Filings ot Iron, an Ounce of Oil of Vitriol and four Ounces of Water into a Flor en ce Flafk; upon which an Ebullition en- fued, and the Air, which arofe frorn thefe Materials, not only filfd three Bladders, but alfo, upon the Applica¬ tion of the Finger of an Eledlrified Perfon, took Flame and burnt near the Top and out of the Neck of the Flafk a con fiderable Time. When the Flame is almoft out, fhake the Flafk and the Flame revives. You muft with your Finger dipped in Wa¬ ter, moiften the Mouth of the Flask as faft as it is dried by the Heat within, or the Eledtricity will not fire it: Be- caufe the Flask being an Electric per fe