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On the elementary principles of nature; and the simple laws by which they are governed. Being an attempt to demonstrate their existence, and to explain their mode of action; particularly in those states, in which, they produce the attractions of cohesion, gravitation, magnetism and electricity; and also fire, light, and water
- Peart, E. 1756?-1824.
The subtil medium prov'd; or, that wonderful power of nature ... conjectur'd by the most ancient and remarkable philosophers, which they call'd sometimes æther, but oftener elementary fire, verify'd. Shewing that all the distinguishing and essential qualities ascrib'd to æther ... are to be found in electrical fire ... Giving an account of the progress and several gradations of electricity. From those ancient times to the present ...
- Lovett, R. 1692-1780.
A course of lectures in natural and experimental philosophy, geography and astronomy : in which the properties, affections, and phaenomena of natural bodies, hitherto discover'd, are exhibited and explain'd on the principles of the Newtonian philosophy ... The whole confirmed by experiments, and illustrated with copper-plates ...
- Martin, Benjamin, 1705-1782.