A new and most useful instrument for addition and subtraction of pounds, shillings, pence, and farthings; : without charging the memory, disturbing the mind, or exposing the operator to any uncertainty; : which no method hitherto published, can justly pretend to. : Invented and presented to His most Excellent Majesty Charles II. King of Great Britain, France, and Ireland, &c. 1666. /

Bibliographic Details
Main Author:	Morland, Samuel, Sir, 1625-1695
Format:	eBook
Language:	English
Published:	[London : publisher not identified, 1672?]
Series:	Early English books online.
Subjects:	Calculators. Arithmetic > Early works to 1800. Almanacs, English.
Online Access:	Connect to the full text of this electronic book

Available Online