We have no meanings for "invented an instrument" in our records yet.
1 Perhaps they've invented an instrument that tells what you think about.
2 M. Gobley has invented an instrument which he calls an areometer, to detect this fraud.
3 Paul Kotlarewsky, of St. Petersburg, has invented an instrument for measuring or ascertaining the velocity of water and air currents.
4 He has since busied himself with the study of airplanes and wireless, and has invented an instrument for transmitting sound by light.
5 In order to be able to measure the amount of this action, he invented an instrument which he called a voltameter, or a volta-electrometer.
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