The line of proportion or numbers, commonly called Gunter's line made easie
Subtitle: by the which may be measured all manner of superficies and solids as boards, glass, pavement, timber, stone, &c. : also, how to perform the same by a line of equal parts, drawn from the centre of a two-foot rule : whereunto is added, The use of the line of proportion improved : whereby all manner of superficies and solids may both exactly and speedily be measured, without the help of pen or compasses, by inspection, looking only upon the ruler
By: by William Leybourn.
Series: Early English books, 1641-1700 -- 766:29.
Publisher: Printed for Hannah Savvbridge ...
Published: 1684
Place of publication: London
Language: eng
Format: Microform
Number of pages: 153
Subjects: Slide-rule.; Astronomy -- Early works to 1800.; Mathematics -- Early works to 1800.; Navigation -- Early works to 1800.
Genres: Early works to 1800.
Notes: Advertisement: prelim. p. [6] and p. [1]-[2] at end.

The first ed. was pub. in 1667, by G. Sawbridge.

Reproduction of original in Huntington Library.

Wing L1921

Available electronically as part of Early English books online.

Microfilm. Ann Arbor, Mich. : University Microfilms, 1977. 1 microfilm reel. 35 mm. (Early English books, 1641-1700 ; 766:29)