True spectacles. : Exactly ground on brass tools by John Yarwell, servant to His Majesty, approved on by the Royal Society, acknowledg'd by the best skill'd in opticks to be ground to the greatest perfection.

Bibliographic Details
Main Author:	Yarwell, John
Format:	eBook
Language:	English
Published:	[London : publisher not identified, 1697]
Series:	Early English books online.
Subjects:	Telescopes > England > Early works to 1800. Eyeglasses > England > Early works to 1800. Microscopes > England > Early works to 1800. Broadsides > England > 17th century.
Online Access:	Connect to the full text of this electronic book

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