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
Martin, Benjamin,1705-1782.
London : printed for the author, and sold at his house,
1756.
Reproduction of original from the Harvard University Houghton Library.
ESTC