. Scientific news for general readers; a popular illustrated weekly journal of science . acing the American student in the fore-front as a worker in applied science. Competition on Alloys.—The Prussian Society for thePromotion of Industry has recently offered a prize of about_;,^iSo for the most exhaustive critical comparison of all kindsof existing bronze, tombac, and brass alloys, used or recom-mended for machinery; giving their chief properties withregard to resistance, ductility, friction at different tempera-tures, malleability, electric conductivity, behaviour with acids,hydrogen and car
. Scientific news for general readers; a popular illustrated weekly journal of science . acing the American student in the fore-front as a worker in applied science. Competition on Alloys.—The Prussian Society for thePromotion of Industry has recently offered a prize of about_;,^iSo for the most exhaustive critical comparison of all kindsof existing bronze, tombac, and brass alloys, used or recom-mended for machinery; giving their chief properties withregard to resistance, ductility, friction at different tempera-tures, malleability, electric conductivity, behaviour with acids,hydrogen and carbon sulphides, chlorine, and other stronglycorrosive substances met with in practice. The same societyalso offers a gold medal and ^250 for the best work onlight and heat radiation of burning gases. The time limitin the former case is the end of 1887 ; in the latter, the endof 1888. Nov. 1st, 1887-] SCIENTIFIC NEWS. 207 METEORITES. WHEN Sir William Thomson gave his lecture on thesuns heat at the Royal Institution, he showedseveral fine specimens of meteorites, and through the kind-. Fig. I. Meteorite which Fell at Pofsil, nearGlasgow.
Size: 1575px × 1586px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade188, bookpublisherlondon, bookyear1887
