(London, Harrison and Sons, 1898). 4to. No wrappers as extracted from "Philosophical Transactions" Year 1897, Volume 191 - Series A. - Pp. 187-228 a. textillustrations showing experimental apparatus.
First printing of a joint paper "in which we describe a long series of experiments on the electrification of air and other gases, with which we have been occupied from May, 1894, up to the present time (June, 1897)."
Order-nr.: 44048