Shadow Pin
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“A slender length of brass resting in a small brass button and designed to stand vertically on the center of a compass glass. From the shadow cast by it the sun’s bearing is determined. It may also be used to take compass bearings of other objects.” -Whitney, 1911
Galleries
CompassesSource
William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)
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