Word: instruments
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Dates: during 1930-1939
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...instrument may be adjusted to complete the picture in 3.78 seconds, 6,61 seconds, or 10 seconds, Hall has spent over a year attempting to cut down on the several days require by older methods...
...bush encounter seemed, however, to have disabled the propeller which operates the instrument, so no interruptions due to the meteorograph were recorded...
Sound can be photographed and scientifically analyzed in a few seconds by means of a new instrument built by Harry H. Hall, instructor in Physics at the Cruft Laboratory...
...experiment was, however, partially successful, in that the signal was followed for an hour, when the instrument was about 6 1/4 miles above and 25 miles to the eastward of the starting point. At this point, the battery failed, because of the extremely low temperature...
When Georges Barrere arrived in the U. S. 30 years ago he was roundly twitted because he wore a luxuriant spade beard, long pointed mustachios. Through these he managed to play a flute with uncommon skill, but it was not the wooden instrument his colleagues knew. The young Frenchman played a silver flute. Of the 30,000 professional flautists now in the U. S., all but five use an instrument of silver or some cheaper metal. But Georges Barrere, peer of them all, has gone two steps ahead. Ten years ago he took to playing on a $1,000 gold...