Whitehill's calculator, on the decimal system : for the use of jewellers, goldsmiths, silversmiths, and others : containing tables shewing the value of any weight from one-thousandth part of the ounce or grain to 500 ounces, at rates from 1/- to 90/- per ounce or grain : also table of equivalents shewing the equivalents of old weights in decimals of the ounce troy
"R. J. R. Piper Stansted" written in graphite on the first fly leaf.
Whitehill & Whitehill
Place of Publication
overall: 3/4 in x 4 1/2 in x 5 5/8 in
Gwen Bell artifact and book collection
Algorithms, tables, and history of calculation books
The Gwen Bell Early Book Collection of Algorithms, Tables, and History of Calculations