Word: caoutchoucs
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Dates: during 1909-1909
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...easily oxidized, are also available. Amalgams have come into use, and above all, very serviceable cements have been invented by German industrial chemists; and these cements imitate bone in appearance and in non-conducting power more closely than metals can. The discovery of vulcanite, an intimate mixture of caoutchouc with sulphur, was empirically made; but into the numerous uses of vulcanite in dentistry there enter many applications of chemical science and art. The progress of physics has furnished the dentist with new tools and apparatus of high value. The electric light prolongs his hours of labor and enables...