Abstract
WITH reference to Mr. Murdoch's letter on the magnetometer method of testing iron, I described it as an admirable method under suitable conditions. I tried the method about three years ago in my laboratory, which is close to a track return tramway line, and had great trouble with it owing to zero fluctuations. The same difficulty has been found in other laboratories close by, where instruments with very weak magnetic control have been set up. I did not take exception to the suggestion that the magnetometer method might be used more than it is at present under suitable conditions; I wished to direct attention to its practical limitations.
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Magnetic Measurements. Nature 96, 87–88 (1915). https://doi.org/10.1038/096087c0
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DOI: https://doi.org/10.1038/096087c0
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