A self - made instrument for measuring time is introduced. The method of measuring time in Milton oil experiment is improved and the result is compared with the method.

本文介绍了一种自制的时间测量仪，利用此仪器改进了密立根油滴实验的时间测量方法并对测量结果和方法进行了比较。

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Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

伽利略并没有发明望远镜，但在1609年听到有人制造了这种光学仪器后，他很快用管风琴管和眼镜镜片制造了自己的望远镜。

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And God simply made me the instrument of his punishment."

VOA: special.2010.01.07

Another notable acoustic guitar is the Spanish-made instrument on which Clapton composed the compelling, beautiful "Tears in Heaven, " which he wrote after his 4-year-old son Conor's tragic death.

FORBES: Rock On The Block

Peter Beare, another of the firm's directors, has made an instrument for Nigel Kennedy, among others.

ECONOMIST: Violin-making

Johnson, the trombonist who more than any other had made that instrument a plausible part of bop's landscape.

NPR: 'Blue Note Records, The Biography'