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

• Benjamin Martin (Author)

Imprint

London : printed for the author, and sold at his house, two Doors below Crane-Court, Fleet-Street, [1760] The fifth edition.; ..

Publication year

1760

ESTC No.

T25320

Grub Street ID

257761

Description

28p.,plate ; 8°.

Note

Below imprint in square brackets: price Six-Pence.