Note 4 — Front matter
Reading edition
A detailed account of the optical, mechanical, and electrical arrangements employed, written by Mr. Cole, will be found in Nature, vol. i., p. 222 (July 5, 1894).
Reading edition
A detailed account of the optical, mechanical, and electrical arrangements employed, written by Mr. Cole, will be found in Nature, vol. i., p. 222 (July 5, 1894).