Word: millionths
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Dates: during 1930-1939
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John E. Mellish, 46, is a person of importance to U. S. astronomy. He is a grinder of telescope lenses, which he, with infinite pains and patience, can polish to within one one-millionth of an inch of perfection. Last week, and every weekday for the past nine months-hour after hour-he has worked under the surveillance of the Kane County, Ill. sheriff...
...Manhattan, off for the weekend in their sedan, Louis Kuntzman & family could not have been more surprised when a policeman stopped them at the entrance to Holland Tunnel and news photographers came crowding around. The Kuntzman's car, explained the policeman reassuringly, was the 50 millionth to enter the westbound tube since it opened...
...smallest current measured so far; 2) the device (including thyratron tubes) of Dr. Wynn Williams of Cambridge University, England, which counts alpha particles (nuclei of helium atoms) as they explode from radium at a speed of 12,000 mi. per sec., and ten microseconds apart. (A microsecond is one-millionth of a second.) Dr. Kenneth T. Bainbridge of Bartol Laboratories, Philadelphia, again described his two-ton mass-spectrograph which is sensitive to one-trillionth of a trillionth of an ounce (TIME, Feb. 22), which delicately indicated that the average atomic weight of the isotopes of tellurium is (new observation...
...ordinary tubes the gas pressure is of the order of a millionth of an atmosphere. The new tube has been exhausted to a billionth of atmospheric pressure, reducing noise between 100- and 1000-forl...
...means of a cloud chamber they are now able to see and photograph the stream of protons from their machine. The effect looks like a stubby shaving brush with bristles 1.6 in. long. Each bristle is the path made by a proton only one 10,000th of null millionth of an inch in diameter...