In the Lynn works of the General Electric Company, has been produced a substance known as a clear fused quartz, which possesses an astonishing catalog of uses and properties:
1.) It is the most transparent solid known, transmitting 92% of the light passed through a meter rod of it. The best optical glass transmits 65%; ordinary glass 35%.
2.) It transmits all the rays of the sunlight, including the ultraviolet and infrared, which are cut out by ordinary glass. Owing to this property it is expected to be of great value to medicine. By...
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