Title: A nevv invention; or, A paire of cristall spectacles by helpe whereof may be read so small a print that what twenty sheetes of paper will hardly containe shall be discover'd in one; besides, they have such a speciall vertue in them, that he that makes right use of them though hee hath beene blinde three or foure yeares will recover his sight very perfectly ...
Publisher: Printed according to order for B. Bishop,
Year: 1644