Experiments and observations in electricity : With a postscript, containing likewise a variety of new experiements and observations in that branch of philosophy; particularly an enquiry into the cause of the electricity of bodies, and the constitution of the electric matter itself; with notes tending to confirm and illustrate the opinions advanced / By William Henley. Read at the Royal society, Jan. 16 and 23, 1777.

Licence: Public Domain Mark

Credit: Experiments and observations in electricity : With a postscript, containing likewise a variety of new experiements and observations in that branch of philosophy; particularly an enquiry into the cause of the electricity of bodies, and the constitution of the electric matter itself; with notes tending to confirm and illustrate the opinions advanced / By William Henley. Read at the Royal society, Jan. 16 and 23, 1777. Source: Wellcome Collection.