ROBERTSON, JOHN.

A Treatise of such Mathematical Instruments, As are usually put into a portable Case. Shewing some of their Uses in Arithmetic, Geometry, Trigonometry, Spherics, Architecturee, Surveying, geography, Perspective, &c. With an Appendix; containing The Description and Use of the Gunners Callipers. And The description of, and Prospects for the delineation of Ship-Guns and Sea Mortars...prefixed a Brief Acount of Authors, who wrote on the Proportional Compasses and Sector. The Third Edition, with many Additions.

London, J. Nourse, 1775.

Contemp. full calf. Titlelabel with gilt lettering. Fronthinge weak, but not broken. At lower spine-end 1 1/2 cm. of leather gone. Remains of a paperlabel at lower compartment. Corners bumped. Faint stamp on titlepage. Large folded engraved frontisp. XXIII,(1),233 pp., Publisher's announcements (3) pp., and 11 large folded engraved plates with many figs. Printed on good paper, internally clean.

A section of the work deals with the history and inventions of mathematical instruments. - Poggendorff II:664.

Order-nr.: 39679