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U (Stack)Foster, Samuel
"The Description and Use of another Sector with more lines, differing from that of Mr. Gunter, both in form and manner of Working. As also, of a Quadrant fitted with new Lines serving the former Uses, and many other, more accurately. Both invented and written by Mr. Sam. Foster sometime Professour of Astronomy in Gresham-Colledge London: Now published from his Manuscripts: The whole Work examined, and in many places enlarged, by W. L. [eybourn]"
in The Works of Edmund Gunter; Printed by the latter in 1661.
[Unknown]
1661