The fractional calculator, or, New ready reckoner shewing at one view the value of any quantity of goods, from one-eighth of any weight or measure to thirty thousand, at any price from one thirty-second of a penny to twenty shillings : with discount tables from 85 to 95 per cent : being particularly adapted for merchants, lace manufacturers, cotton and commission agents, drapers, &c. &c. /
Longman, Orme, Brown, Green and Longman,
|Edition:||2nd ed., rev. and corr.|
|Online Access:||Full text online|
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