III. Observation of the dipping needle. made at London, in the beginning of the Year 1723
III. Observation of the dipping needle. made at London, in the beginning of the Year 1723
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三．
DOI：
10.1098/rstl.1724.0062
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发表时间：
2002
期刊：
影响因子：
--
通讯作者：
George Graham
中科院分区：
文献类型：
--
作者：
George Graham
大约在我观察水平针的变化的时候，我用蘸针做了一些明智的实验，尝试，如果蘸针和振动是恒定的和有规律的。
About the Time I was observing the Variation of the Horizontal Needle, I made like wise some Experiments with the Dipping Needle, to try, if the Dip and Vibrations were constant and regular.