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prismatic compass

American  

noun

  1. a hand compass equipped with sights and prisms to permit aiming the instrument at a point and at the same time reading the compass direction of the point.


Etymology

Origin of prismatic compass

First recorded in 1850–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

I next called on Rumanika I gave him a Vautier's binocular and prismatic compass; on which he politely remarked he was afraid he was robbing me of everything.

From The Discovery of the Source of the Nile by John Hanning Speke

One prismatic compass, three and a-half inch, with silver ring: 5 pounds 5 shillings.

From Successful Exploration Through the Interior of Australia by William John Wills

Officers carried revolvers, field glasses, prismatic compass, and various other extras.

From The 28th: A Record of War Service in the Australian Imperial Force, 1915-19, Vol. I Egypt, Gallipoli, Lemnos Island, Sinai Peninsula by Herbert Brayley Collett

It therefore seemed to Abdul Mujid only a wise precaution to get rid of his prismatic compass as speedily as possible.

From The Story of the Guides by G. J. Younghusband

Meanwhile, Tatum had been reading a round of angles with the prismatic compass.

From The Ascent of Denali (Mount McKinley) A Narrative of the First Complete Ascent of the Highest Peak in North America by Hudson Stuck

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