Early pocket calculator- Full leather- Interest At ONE VIEW, Calculated to a Farthing: At various percentages 2 1/2- 8 percent. With Rules and Examples to cast up Interest at any Rate, by the said Tables.
With a curious Table, whereby Standard Gold and Silver, in Bars, is compared with the Courses of Exchange between Amsterdam and London. Also Tables for reducing the most common Gold Coins to Pounds and the Contrary: Being very useful in receiving and paying Monies. The Fifteenth Edition , with Additions.
Carefully calculated and examined from the Press by Richard Hayes. To which is added- A concise Table, whereby to cast up Salaries and Wages, speedily and others of great Use in receiving and paying of Money, etc.... iv Preface-352 pages tables and calculations. Owners signature to front endpaper dated 1828. Some external wear typical of age and handling. Very clean copy.
- Jacket Condition: Leather-No Dustcover
- Binding Condition: Full Leather-Very Good
- Overall Condition: Very Good
- Size: 9.5 X 12cm