HENLY (HENLEY), WILLIAM.

Experiments and Observations in Electricity. Part I -(II).

London, W. Bowyer and J. Nichols, 1777. 4to. Extracted from "Philosophical Transactions", Year 1777. Vol. 67 - Part I. Pp. 85-143 a. 1 folded engraved plate. Clean and fine, wide-margined.

First printing of Henley's large memoir on Franklin's theory of the Leyen Jar, on bow and violin strings oppositely electrified, on the electric origin of water-spouts etc.

Wheeler Gift: 2472.

Order-nr.: 46617