Visus illustratus; or, The sight rendered clear and distinct Being an enquiry or examination into the cause of the inefficacy or defect of the present mode of constructing spectacles for the relief of the presbytes, or weak-sighted eyes: and to illustrated the use and superior advantage of spectacles formed upon a new construction, for the remedy of such defect; for the making and vending of which His Majesty has been graciousy pleased to grant the author his royal letters patent; the whole being the result of experimental proofs, to elucidate defective vision in spectacles. By Addison Smith.

Visus illustratus; or, The sight rendered clear and distinct [electronic resource] : Being an enquiry or examination into the cause of the inefficacy or defect of the present mode of constructing spectacles for the relief of the presbytes, or weak-sighted eyes: and to illustrated the use and superior advantage of spectacles formed upon a new construction, for the remedy of such defect; for the making and vending of which His Majesty has been graciousy pleased to grant the author his royal letters patent; the whole being the result of experimental proofs, to elucidate defective vision in spectacles. By Addison Smith.

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Bibliographic Details
Online Access: Online Access
Main Author: Smith, Addison
Format: Electronic eBook
Language:English
Published: London : Printed for the author, and sold by Thomas and John Egerton, Charing-Cross; and Walker, Pater-noster Row, MDCCLXXXIII. [1783]
Subjects:
Eyeglasses > Early works to 1800.

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