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U (Stack)Brown, John
A Supplement to the Line of Proportion, or, Numbers. Containing The Description, and some Uses of a convenient Two-Foot Joynt-Rule: Upon which is inscribed divers Lines and Scales for several Uses sutable [sic] to all sorts of Artificers, or Workmens occasions. And also by the same Rule to take the Heights and Distances, and to make the most usual sorts of Sun-Dials
London: Printed in the Year, 1676. Bound with William Leybourn, The Line of Proportion, Commonly called Gunter's Line, Made Easie. 1677.
[Unknown]
1676