The description and use of a joynt-rule : fitted with lines for the finding the hour of the day and azimuth of the sun, to any particular latitude, or, to apply the same generally to any latitude : together with all the uses of Gunters quadrant applyed thereunto ... / contriv'd & written by J. Brown, philom.

Woodcut illustration of man sighting with sextant: Frontispiece (signed P.R. Fe).
First edition.
Errata: p. 168.
"... as Sun-rising, declination, amplitude, true place, right ascension, and the hour of the night by the moon, or fixed stars; A speedy and easie way of finding of altitudes at one or two stations; also the way of making any kinde of erect sun-dial to any latitude or declinatino, by the same rule: with the description and use of several lines for the mensuration of superficies, and solids, and of other lines usually put on Carpenters rules: Also the use of Mr. Whites rule for measuring of board and timber, round and square; with the manner of using the Serpentine-line of numbers, sines, tangents, and versed sines."
Epistle to the Reader signed John Brown, February 8, 1660.--L. [A7].
Bottom blank margin of title page clipped off. Each plate bears the "Royal Society" stamp. (Cf. bookseller's description).
With ownership inscription of Philip Burton signed on t.p.
Bookseller's description laid in.