The philosophical works of the Honourable Robert Boyle esq.: abridged, methodized, and disposed under the general heads of physics, statics, pneumatics, natural history, chymistry, and medicine (1725)
Boyle, Robert, 1627-1691, Shaw, Peter, 1694-1763. ed · London, W. and J. Innys [etc.] · leaf 546
wder, wetted with linfeed oil,to be kept, for about two hours, glowing hot, in a crucible ^ by whichmeans it was turnd blackiih. This dark colourd powder being ta-ken out, and futfcrd to cool, would readily adhere to the lame load-ilone, almoft as if it had been a heap of filings of iron. But… … Vol. L Tt t JH S Physics.. THE MECHANICAL PRODUCTION O F ELECTRICITY TH A^T it is not neceffary to make ele£lrical attraftion theeffeft of a quality, flowing immediately from a fubftantialform, but rather, of a material effluvium, iffuing from, andreturning to, the eledrical body, appears from…
Physics · Chemistry · Medicine
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