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 contrary to the rules of art, to the nature of things, &c. and very prejudicial to the eyes ...
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Author
Publication
1756 - Printed for the author ..., London, England
Language
English
Word Count
6,000 words, Guess
Page Count
24 pages
Identifiers
- Open LibraryOL57685874M
- OCLC Control Number18674982
Subjects
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