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1

The description and use of a new universal dial, or, portable equatorial instrument, by G. Wright

by Wright, Gabriel
Published 1781

printed for the author

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2

The theory and construction of Hadley's quadrant demonstrated : and also all the necessary directions given for adjusting the glasses, And using it for taking the Altitude of the S...

by Wright, Gabriel
Published 1785

printed for Gregory and Wright, mathematical instrument makers, near the India House, Leadenhall-Street

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3

The description and use, of a new constructed octant, sextant and quintant : By His Majesty's patent, being an improvement on the Hadley's quadrant. By either of which, altitudes a...

by Wright, Gabriel
Published 1779

Printed for the author, no. 36, Little Britain; and sold by Mr. Martin, optician in Fleet-street, and the booksellers in town and country