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90s Slang You Should Know

transit instrument

Astronomy. meridian circle.
Surveying. transit (def 6a).
Origin of transit instrument
First recorded in 1805-15 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for transit instrument
Historical Examples
  • A noon-mark may easily be made by the aid of the transit instrument.

    Letters on Astronomy Denison Olmsted
  • Surveyors make use of this proposition when they wish, without using a transit instrument, to run one line parallel to another.

    The Teaching of Geometry David Eugene Smith
  • The first plan is that of the "transit instrument," the second that of the "equatoreal."

  • The transit instrument was mounted as the transit circle is, between two solid stone piers, and moved in precisely the same way.

    The Royal Observatory Greenwich E. Walter (Edwared Walter) Maunder
  • At that time, no original observations made at the transit instrument were ever preserved.

  • Hence the transit instrument and clock are the most important members of an astronomical observatory.

    Letters on Astronomy Denison Olmsted
  • The transit instrument is a telescope which is fixed permanently in the meridian, and moves only in that plane.

    Letters on Astronomy Denison Olmsted
  • The microscopic deviation of the axis of a transit instrument from the horizontal position.

    The Sailor's Word-Book William Henry Smyth
  • transit instrument, with reversing arrangement, illumination with oil or electric lamp, Filar micrometer with two eye pieces.

  • The astronomical clock is the constant companion of the transit instrument.

    Letters on Astronomy Denison Olmsted
British Dictionary definitions for transit instrument

transit instrument

an astronomical instrument, mounted on an E-W axis, in which the reticle of a telescope is always in the plane of the meridian. It is used to time the transit of a star, etc, across the meridian
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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