*XfE .191 53
The mathematical iewel.
Blagrave, John, d. 1611.
The mathematical iewel, shewing the making, and most excellent vse of a singuler instrument so called ... By Iohn Blagraue of Reading gentle- man and well willer to the mathematickes, who hath cut all the prints or pictures of the whole worke with his owne hands.
1585. Imprinted at London by Walter Uenge, dwelling in Fleetelane ouer against the Maiden
head.
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