transit instrument
Astronomy. meridian circle.
Surveying. transit (def. 6).
Origin of transit instrument
1Words Nearby transit instrument
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How to use transit instrument in a sentence
At that time, no original observations made at the transit instrument were ever preserved.
Decline of Science in England | Charles BabbageIt is the meridian that passes through the poles and the centre of the transit instrument of the Observatory of Greenwich.
The western arm is a room of the same dimensions, intended for the transit instrument.
The Uses of Astronomy | Edward EverettThe transit instrument is also used in the prime vertical for the determination of latitudes.
The direction of the meridian is determined either by a theodolite or a portable transit instrument.
British Dictionary definitions for 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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