An essay on visual glasses, (vulgarly called spectacles) wherein it is shewn ... that the common structure of those glasses is contrary 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. ... illustrated by a large copper-plate-print. By B. Martin.
Martin, Benjamin,1705-1782.
London : printed for the author, and sold at his house,
1758.
"A catalogue of philosophical, optical, and mathematical instruments, made and sold by Benjamin Martin": pp.[28]-32.
ESTC