The Description, nature and general use of the sector and plain-scale
Subtitle: briefly and plainly laid down, as also a short account of the uses of the lines of numbers, artificial sines and tangents
Publisher: T. Wright
Published: 1721
Place of publication: London
Language: eng
Number of pages: 44
Subjects: Mathematical instruments; Early works to 1800
Notes: Preface signed: E.S.