Clavis usuræ
Subtitle: or, a key to interest, both simple and compound: containing practical rules, ... To which is added, rules to be observ'd in estimating the value of annuities, or leases, ... By J. Ward.
Series: Eighteenth century -- reel 7465, no. 08.
Publisher: printed by J.M. for William Taylor
Published: 1710
Place of publication: London
Language: eng
Format: Microform
Number of pages: 120
Notes: With a table of logarithms, for numbers from 1 to 10,000.

Goldsmiths' 4630

Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 7465, no.08).