·- A thin quadrant, made of brass, wood, ·etc., showing a stereographic projection on the plane of the equator. By it are found the hour of the day, the sun's azimuth, the altitude of objects in degrees, ·etc. ·see Gunter's scale.
A kind of stereographic projection on the plane of the equinoctial; the eye is supposed in one of th...
The Sailor's Word-Book
·noun The fourth part; the quarter. II. Quadrant ·noun The quarter of a circle, or of the circumfer...
Webster's Dictionary of the English Language
A reflecting instrument used to take the altitude above the horizon of the sun, moon, or stars at se...
·- The chain ordinarily used in measuring land. ·see <<Chain>>, ·noun, 4, and Gunter's scale. ...
·- A logarithmic line on Gunter's scale, used for performing the multiplication and division of numb...
·- A scale invented by the Rev. Edmund Gunter (1581-1626), a professor of astronomy at Gresham Colle...
See quadrant. ...
Called also the line of numbers, and the line of lines, is placed upon scales and sectors, and named...
The old name of Jacob's cross-staff. ...
Masts fitted for getting up and down with facility abaft the mast; generally used for kites, as roya...