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LE Delamain [Delamain, Richard]
The making, description, and use of a small portable Instrument for ye Pocket (or according to any Magnitude) in forme of a mixt trapezia thus [symbol] Called a Horizontall Quadrant.
Composed and produced soly for the benefit and use of such which are studious of Mathematicall Practice. Written and delivered by Delamain, student and Teacher of the Mathematickes. London: printed for Richard Hawkins and are to be sold at his shop in Chancery lane neere Sarjants Inne 1632. Date at end of work states 163L. Lewis Evans Collection.
[1924-0]
1632