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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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'