AN ESSAY on the cause of LIGHTNING, and the manner by which the thunder clouds become possessed of their electricity, deduced from known facts and properties of that matter, to which are added plain directions for constructing and erecting safe conductors. By John Simmons. 8vo. 1775. · Lightning Rod Conference / Report of the Delegates from the Following Societies, Viz.: Meteorological Society, Royal Institute of British Architects, Society of Telegraph Engineers and of Electricians, Physical Society. With a Code of Rules for the Erection of Lightning Conductors; and Various Appendices