Ib1.1.51(01)
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 for 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. Hereunto is annexed the excellent vse of two rulers for calculation. Invented, and written in Latine by W.O. Translated into English, and set out for the public benefit, by William Forster.
London : printed by Augustine Mathewes, and are to bee sold by Nic: Bourne at the Royall Exchange, 1633.
[8], 152, [8] p., [3] leaves of plates : diagrams ; 19 cm. (4to)
Signatures: A⁴(±A2) B-X⁴.
Another setting of this title page lacks "Hereunto is annexed the excellent vse of two rulers for calculation." before the author statement.
With three final leaves of diagrams and a final errata leaf with heading "The translator to the readers". Variant: with cancel errata leaf, heading "The translator to the reader".
The "additament" also published separately as STC 18899c: An addition unto the use of the circles of proportion.
Translated by William Forster from the original Latin.
Another issue, with cancel letterpress title page, of STC 18899: The circle of proportion, and the horizontall instrument.
W.O. = William Oughtred.
STC (2nd ed.), 18899b
ESTC, S126261
Eton College Library book label.
Ms. inscription inside front cover: "d.d. E.L. Vaughan 1909".
Limp parchment binding; three single sewing supports; no endpapers; no endbands; circular ornament on front cover probably made by the owner.
Bound with: "An addition unto the use of the instrument called circles of proportion" and "To the English gentrie, and all others studious of the mathematicks, which shall bee readers hereof".
Navigation Early works to 1800.
Mathematical instruments Early works to 1800.
Bourne, Nicholas, ? - d.1657 bookseller.
Matthewes, Augustine printer.
Forster, William (Mathematician) (Mathematician), translator.
Vaughan, E. L. (Edward Littleton) (Edward Littleton), former owner.
England London.
B34040