2 matching record(s)
Prints Ramsden, Jesse
Description of the Improved Hadley's Sextant
[?c.1770]
[Unknown]
1770?
Prints Ramsden, J.
Description of the Improved Hadley's Sextant
8-page pamphlet, uncut (single sheet). At end: 'The Sextant above described is made and sold by J. Ramsden, Mathematical and Optical Instrument Maker, opposite Sackville Street, Piccadilly, London. / Printed by Cooper and Wilson …'. n.d. [c.1770].
[Unknown]
1770?