TY  - GEN
T1  - 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.
DA  - [1760] 
CY  - London :
AU  - Martin, Benjamin,
ET  - The fifth edition.
PB  - printed for the author, and sold at his house, two Doors below Crane-Court, Fleet-Street,
PP  - London :
PY  - [1760] 
N1  - Braces in title.
N1  - Price from imprint: price Six-Pence.
N1  - Reproduction of original from British Library.
ID  - 570087
KW  - Vision.
KW  - Eyeglasses
TI  - 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.
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ER  -