An essay on visual glasses, (vulgarly called spectacles) wherein it is shewn From the Principles of Optics and the Nature of the Eye, that the common structure of those glasses is con[trar]y to the rules of art, to the nature of things, &c. and very prejudicial to the eyes. The nature of vision in the eye explained, and glasses of a new construction proposed . The whole illustrated by a large Copper Plate Print. By B. Martin.

People / Organizations
Imprint
London: printed for the author, and sold at his house, two Doors below Crane-Court, Fleet-Street, [1760]
Publication year
1760-1760
ESTC No.
T25320
Grub Street ID
257761
Description
28p.,plate ; 8⁰
Note
Braces in title.

Price from imprint: price Six-Pence.