The circles of proportion and the horizontal instrument. The former shewing the maner how to work proportions both simple and compound: and the ready and easy resolving of quæstions both in arithmetic, geometrie, & astronomie: and is newly increased with an additament fo navigation. All which rules may also be wrought with the penne by arithmetic, and the canon of triangles. The later teaching how to work most quæstions, which may be performed by the globe: and to delineat dialls upon any kind of plaine. Invented, and written in Latine by W.O. Translated into English, and set out for the public benefit, by William Forster.

People / Organizations

• William Oughtred (Author)

Imprint

London: Printed by Augustine Mathewes, and are to bee sold by Nic: Bourne at the Royall Exchange, 1633.

Added name

Forster, William, mathematician, tr. Oughtred, William, 1575-1660. Addition unto the use of the circles of proportion.

Publication year

1633

ESTC No.

S120820

Grub Street ID

140448

Description

[8], 152, [8] p., [3] leaves of plates : ill. (woodcuts) ; 4⁰

Note

W.O. = William Oughtred.

Another issue, with cancel letterpress title page, of STC 18899: The circle of proportion, and the horizontall instrument.

Translated by William Forster from the original Latin.

The "additament" also published separately as STC 18899c: An addition unto the use of the circles of proportion.

Uncontrolled note

Latin original not traced