A treatise on the nature and property of fire. In three essays. I. Shewing the cause of vitality, and muscular motion.... II. On electricity. III. Shewing the mechanical cause of magnetism; and why the compass varies in the manner it does / by John Freke.

  • Freke, John, 1688-1756.
Date:
1752
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on the nature and property of fire. In three essays. I. Shewing the cause of vitality, and muscular motion.... II. On electricity. III. Shewing the mechanical cause of magnetism; and why the compass varies in the manner it does / by John Freke. Source: Wellcome Collection.

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    1 powder; tliefe Rubbers-on in electri¬ cal Matters begin to adopt divers Notions which they would not at firft grant to be true: But their firft Notion, of Nothing being the Caufe of producing Something; which, though it was the firft time fuch a thing was ever heard of, they feem fond of retaining by their faying, Who knows what Experiments may not demon- ftrate ? To which I anfwer. That fo long as any Man, who pretends to be helping another on his Journey, is laying at the fame time all Embaraf- ments in his Way, fo thefe pretended Demonftrators, who keep to the Ufe of the firft unintelligible Terms, had much better leave off this idle Ad¬ miration of their Non-intelligencies, and fuffer Mankind to find the Caufe of Electricity out by themfelves. Now, after allt, as there are {omethinss which