Word: quartz
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Dates: during 1930-1939
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...Institute has an $1,800 triangular quartz prism for studying the effect on plants of various wavelengths of light. Another equipment item is a huge, mobile frame, shaped like a dirigible hangar carrying powerful lights in the roof. It can be wheeled over a greenhouse to observe plant behavior under continuous 24-hour illumination. It has been learned that barley, cabbage and clover subjected to such treatment keep on growing 24 hours a day but that tomato plants quit, light or no light, and rest five to seven hours...
...Barton-Beebe bathysphere is a single steel casting 1½-in. thick and 4 ft. 9 in. in diameter. It weighs 5,000 lb. There are three 8-in. windows of fused quartz. The sphere was designed and built by Otis Barton, Harvardman (1922 ), big game hunter, onetime Paris art student. He presented it to the New York Zoological Society. That body and the National Geographic Society sponsored the present expedition...
...foreman of a railroad construction gang, who discovered the mine and now lives on a pension (doled out in small amounts so that he will not disappear for too long at a time). There they went down into the bowels (4,134 ft.) of the earth to see the quartz gold vein being hacked. From Porcupine they planned to go to Kirkland Lake and Noranda mines and fly back to Toronto and New York prepared to buy Canadian gold shares with new avidity...
...them. A problem has been how to build a light producer small enough and cool enough to get into the cavities. Last year Drs. John Roberts Caulk & Frank Henry Ewerhardt of Washington University, St. Louis, successfully entered a tuberculous bladder, alleviated it with irradiation. They used a cold quartz generator of ultraviolet light...
...Lubash, who lectures on urology at Flower Hospital Medical School, had a mercury-vapor quartz bulb made a little larger than a match head. This he attached to a copper wire covered by a silk-wound ureteral catheter and attachable to a high frequency apparatus. Last week was too early to show cures in his work, but he had reason to believe that healing light would work as well in a kidney as anywhere else...