The description and use of an instrument called the dovble scale of proportion
Subtitle: by which instrument, all questions in arithmetick, geometry, trigonometry, astronomy, geography, navigation, fortification, gunnery, gaging vessels, dialling may be most accurately and speedily performed without the assistance of either pen or compasses
By: by Seth Partridge
Series: Early English books, 1641-1700 -- 1658:15
Publisher: Printed by William Leybourn for William Wright ...
Published: 1661
Place of publication: London
Language: eng
Format: Microform
Number of pages: 188
Subjects: Slide-rule -- Early works to 1800
Notes: Advertisement: p. 188

Errors in paging: p. 7-8 omitted in numbering only; p. 55 misprinted 57

Reproduction of the original in the Huntington Library

Wing P630A

Microfilm. Ann Arbor, Mich. : University Microfilms International, 1985. 1 microfilm reel ; 35 mm. (Early English books, 1641-1700 ; 1658:15)

s 1985 miu n