The scales of commerce and trade: ballancing betwixt the buyer and seller, artificer and manufacture, debitor and creditor, the most general questions, artificiall rules, and usefull conclusions incident to traffique: comprehended in two books. The first states the ponderates to equity and custome, all usuall rules, legall bargains and contracts, in wholesale ot [sic] retaile, with factorage, returnes, and exchanges of forraign coyn, of interest-money, both simple and compounded, with solutions from naturall and artificiall arithmetick. The second book treats of geometricall problems and arithmeticall solutions, in dimensions of lines, superficies and bodies, both solid and concave, viz. land, wainscot, hangings, board, timber, stone, gaging of casks, military propositions, merchants accounts by debitor and creditor; architectonice, or the art of building. / By Thomas Willsford Gent.

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Title
The scales of commerce and trade: ballancing betwixt the buyer and seller, artificer and manufacture, debitor and creditor, the most general questions, artificiall rules, and usefull conclusions incident to traffique: comprehended in two books. The first states the ponderates to equity and custome, all usuall rules, legall bargains and contracts, in wholesale ot [sic] retaile, with factorage, returnes, and exchanges of forraign coyn, of interest-money, both simple and compounded, with solutions from naturall and artificiall arithmetick. The second book treats of geometricall problems and arithmeticall solutions, in dimensions of lines, superficies and bodies, both solid and concave, viz. land, wainscot, hangings, board, timber, stone, gaging of casks, military propositions, merchants accounts by debitor and creditor; architectonice, or the art of building. / By Thomas Willsford Gent.
Author
Willsford, Thomas.
Publication
London, :: Printed by J.G. for Nath: Brook, at the angel in Cornhill.,
1660.
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Subject terms
Architecture -- Early works to 1800.
Arithmetic -- Early works to 1800.
Cite this Item
"The scales of commerce and trade: ballancing betwixt the buyer and seller, artificer and manufacture, debitor and creditor, the most general questions, artificiall rules, and usefull conclusions incident to traffique: comprehended in two books. The first states the ponderates to equity and custome, all usuall rules, legall bargains and contracts, in wholesale ot [sic] retaile, with factorage, returnes, and exchanges of forraign coyn, of interest-money, both simple and compounded, with solutions from naturall and artificiall arithmetick. The second book treats of geometricall problems and arithmeticall solutions, in dimensions of lines, superficies and bodies, both solid and concave, viz. land, wainscot, hangings, board, timber, stone, gaging of casks, military propositions, merchants accounts by debitor and creditor; architectonice, or the art of building. / By Thomas Willsford Gent." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A74684.0001.001. University of Michigan Library Digital Collections. Accessed May 19, 2024.

Pages

PROPOSITION XXXIX.

A Money-Merchant employed at Use 250 L sterling for 5 moneths, at the rate of 8 L per cent. per ann. and the simple interest of it is here requi∣red.

Page 51

An explanation of simple interest, lib. 2. par. 10.

All questions of this

  Prin. In. Prin.
1 Rule 100-8-250
  M—M
2 Rule 12-5
Product 1200. 8. 1500
Or as 3 to 1 so 25
Facit 8 L.. 6 ss 8 D
kind doe consist of 5 termes, viz. 100 L Principall, secondly, the rate for Use, as in this, 8 L. thirdly, the Principall lent, as in the first rule; in the second rule under 100 l is placed the time for which 8 L was due, as at a yeare, or 12 moneths: the fifth number is the term for the principall bor∣rowed, viz. 5 moneths, the products of those are 1200. 8 and 1250, and may be reduced (as in the 13 and 14 Axiom, lib. 1. parag. 7.) to 3.1. 25. the quotient here answers the question, viz. 8 L 6 ss 8 D, the proportionall interest, for the summe and time required.

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