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. /

Main Author: Morland, Samuel, Sir, 1625-1695.
Corporate Authors: Early English Books Online.
Format: Online Book
Language: English
Published: [London : s.n., 1672?]
Series: Early English books online.
Online Access: http://ezproxy.villanova.edu/login?URL=http://gateway.proquest.com/openurl?ctx_ver=Z39.88-2003&res_id=xri:eebo&rft_val_fmt=&rft_id=xri:eebo:image:151606
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