The circles of proportion and the horizontall instrument. Both invented, and the vses of both written in Latine by Mr. W.O. Translated into English: and set forth for the publique benefit by William Forster [microform]

Oughtred, William, 1575-1660.
London : Printed [by Augustine Mathewes] for Elias Allen maker of these and all other mathematical instruments, and are to be sold at his shop ouer against St Clements church with out Temple-barr, 1632.
[8], 152, [8] p., [3] leaves of plates : ill. (woodcuts)
Early English books, 1475-1640 ; 1322:17.
Early English books, 1475-1640 ; 1323:1.

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Other Title:
Circles of proportion and the horizontal instrument
Mathematical instruments -- Early works to 1800.
Navigation -- Early works to 1800.
W.O. = William Oughtred.
Not previously published in Latin.
A reissue, with cancel engraved title page, of "The circle of proportion .. 1632" (STC 18899). The title page is signed: T. Cecill sculp.
The first leaf is blank.
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".
Often found with his: An addition unto the use of the instrument called the circles of proportion, for the working of nauticall questions.
For bibliographical details see Transactions of the Cambridge Bibliographical Society, 4 (1968), p. 372-6.
Identified as STC 18899 on UMI microfilm reel 1322.
Reproductions of the originals in the Bodleian Library and Cambridge University Library.
Appears at reel 1322 (Bodleian Library copy) and at reel 1323 (Cambridge University Library copy).
Microfilm. Ann Arbor, Mich. : UMI, 1973, 1973. 1 microfilm reel ; 35 mm. (Early English books, 1475-1640; 1322:17, 1323:1). s1973 miun a
Cited in:
STC (2nd ed.) 18899a.
Cecil, Thomas, fl. 1630, engraver.
Forster, William, mathematician.