Author:  Wastell, Tho. (Thomas) 
Title:  The application of a new portable scale, (being the first of this nature) in resolving questions in the following particulars: viz. Interest, for any sum, time or rate. Discount, of bills, tallies, stock, &c. Factoridge brokeridge commission exchange, &c. at all rates. Value of any quantity of goods, merchandize, or any fractional part of an intiger. Of any number of pistols, dollers, or other foreign coin. Of wages due to any workmen or seamen, for any time or rate: as also short allowance. Number, of days in any distance of time. Proportion, of any sum per annum, to one or any number of dayes. And several other profitable uses. The second edition, with additions. Invented by Tho. Wastell. 
Publication Info:  Ann Arbor, Michigan: University of Michigan Library 2012 November (TCP phase 2) 
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Print source: 
The application of a new portable scale, (being the first of this nature) in resolving questions in the following particulars: viz. Interest, for any sum, time or rate. Discount, of bills, tallies, stock, &c. Factoridge brokeridge commission exchange, &c. at all rates. Value of any quantity of goods, merchandize, or any fractional part of an intiger. Of any number of pistols, dollers, or other foreign coin. Of wages due to any workmen or seamen, for any time or rate: as also short allowance. Number, of days in any distance of time. Proportion, of any sum per annum, to one or any number of dayes. And several other profitable uses. The second edition, with additions. Invented by Tho. Wastell. Wastell, Tho. (Thomas) London: printed for the author, and sold by Richard Mount, at the Postern on TowerHill, 1700. 
Subject terms: 
Interest
Saving and investment  England

URL:  http://name.umdl.umich.edu/A96062.0001.001 
Contents 

introduction
title page
To the Honoured Charles Sergison, Esq CLERK of the Acts OF HIS Majesty's Royal Navy.
How to Tabulate any Number on this SCALE.
Interest at any Rate, for any Time or Sum. Found on the First Side.
Examples at large.
Discount of Bills, Tallies, or Stocks.
Examples at large.
Brokeridge, Factoridge, Commis∣sion, Exchange, &c.
Examples.
Gold or Foreign Coin to cast up.
Examples.
Value of Goods or Merchandize.
Examples.
Wages to Workmen at Daywork.
Wages to Workmen by the Year.
Example.
Example.
Seamen's Wages by the Year.
Examples.
Wages to Seamen per Mensem.
Examples.
Short Allowance.
Examples.
A Yearly Sum, Pension, Sala∣ry, &c. being given, to find the Proportion to any Number of Days.
Examples.
Example.
Examples.
The Price of a Load of Timber, be∣ing given, to find the Value of any Number of Feet under a Load.
Examples.
Common Multiplicands, to find the Value of any Number of Feet, of Plank of any Thickness under a Load, at any Price per Load: By the foregoing Rule.
Time to Cast into Days.
For Reducing Shillings, Pence and Farthings into Decimals, the Intiger being One Pound.
Some further Uses this SCALE is applicable to, Occur'd since the First Edition, VIZ.
Compound Interest at 6 per Cent.
Compound Interest or increase of a Sum of Money, forborn at 6 per Cent. Side A.
Examples.
Compound Rebate or Discount at 6 per Cent. Side A.
Example.
Forbearance of Annuities at 6 per C. Compound Interest. Side A.
Example.
Discount of Annuities at 6 per Cent. Compound Interest. Side A.
Example.
Purchase of Annuities at 6 per Cent. Compound Interest. Side A.
Example.
Division on the Side A.
Example.
Rule of Three Direct. Side A.
Example.
Rule of Three Inverse. Side A.
Example.
Reduction ascending. Side B.
Example.
Reduction Descending.
Fellowship, Gain. Side A.
Example.
Loss.
Exchange, Foreign into Sterling. Side B.
Example.
Example.
English into Foreign.
Example.
Tare. Side A.
Example.
Tret. Side A.
Example.
Equation of Payments. Side A.
Example.
The Monthly Wages allowed to Seamen in all Rates.
Seamen's Wages. Side A.
Example.
Example.
Simple Interest for Quarters.
