Abstract
UNDER a high power it is extremely troublesome to move the object so that one of its boundaries coincides exactly with a division of the micrometerscale. But when the object is small this very greatly increases the accuracy; otherwise two estimated fractions of a division may constitute the greater part of the length measured.
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BIDDER, G. Measuring with High Powers of the Microscope. Nature 107, 650–651 (1921). https://doi.org/10.1038/107650a0
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DOI: https://doi.org/10.1038/107650a0
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