9 results filtered with: Eyeglasses - Early works to 1800
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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; 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.
Martin, Benjamin, 1705-1782.Date: [1756]- Books
- Online
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; 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.
Martin, Benjamin, 1705-1782.Date: [1758]- Books
- Online
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. 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.
Martin, Benjamin, 1705-1782.Date: [1758]- Books
- Online
The Second part of the spectacles, or, Rather a multiplying glass : fitted for their use, which are not able to see with spectacles : by the helpe whereof may be discerned many things at distance, which are hardly to be seen otherwise and not ordinarily taken notice of.
Date: June 5, 1644- Books
- Online
Observations on the use of spectacles, extracted from the writings of the most celebrated authors who have wrote on opticks. Wherein Are contained Rules for chusing of Spectacles and Glasses, proper for remedying all the different Defects of Sight. In a letter to a friend.
R. K.Date: [1753]- Books
- Online
An essay on vision, briefly explaining the fabric of the eye, and the nature of vision: intended for the service of those whose eyes are weak or impaired: Enabling them to form an Accurate Idea of the True State of their Sight, the Means of Preserving it, Together with Proper Rules for Ascertaining when Spectacles are Necessary, and How to Choose them without Injuring the Sight. By George Adams, Mathematical Instrument Maker to his Majesty, and Optician to his Royal Highness the Prince of Wales.
Adams, George, 1750-1795.Date: M.DCC.LXXXIX. [1789]- Books
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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.
Martin, Benjamin, 1705-1782.Date: [1760]- Books
- Online
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; 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.
Martin, Benjamin, 1705-1782.Date: 1756- Books
- Online
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.
Smith, Addison.Date: MDCCLXXXIII. [1783]