A new invention; or, A paire of cristall spectacles by helpe whereof may by 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.
Printed according to order for G. Bishop,
June 7. 1644.
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