The Origin of B [ Beta ] and y [ Gamma ] Rays from Radioactive Substances. Contained in Engineering An Illustrated Weekly Journal, Volume 93 & 94 pages 549. de Rutherford, Ernest

London, 1912. -----A short article contained in volume 94. A brief article presented by Rutherford explaining that B rays were very complex, with some B rays converting into y rays; the B rays were changed by passing through matter, whilst the y rays were characteristic rays of the radium atom. (Lowood pg. 10, 1912D). -----Six months bound as one volume. This is a two volume set, complete year. ----- Numerous monochrome illustrations. ( Also contains The Heating Effect of Radium Emanation and its Products by Ernest Rutherford and H. Robinson. Contained in volume 94 (Lowood pg. 10, 1912C). A brief article on some experiments that Rutherford was performing to answer two fundamental questions. Was the energy of the radiations a measure of the heating effect and was the heating due to the a particles, or also to the other products. pages 549. ). Pages: 894, 900. 10 1/2" x 13 1/2”. Binding: Half light brown calf, tan and dark brown marbled paper over boards, marbled page edges, raised bands, gilt design and black label with gilt titles at spine. Slight to moderate rubbing at extremities, corner board exposure just starting. Volume I small pieces of top layer of calf at upper front corner missing. Volume II small pieces of calf missing at spine heel and front corners. Provenance stamps: Stadsingeniorens Kontor and Udgaaet af Danmarks tekniske Bibliotek at front free, printer's blank and title page. Both volumes interior is clean and tight in bindings.