1784 ORIGINAL POST REVOLUTIONARY COMPLEX MATHEMATICS AND CYPHER BOOK HANDWRITTEN BY NOTED CITIZEN OF ROCHESTER NEW HAMPSHIRE1768
On offer is an original 1784 manuscript cypher and mathematics book handwritten by John McDuffee of Rochester Vermont. There are 52 pages of arithmetic and mathematical tables, equations and principles: compound multiplication, compound division, reduction for farthings, shillings, etc., calculation the minutes since the birth of the Savior to 1784, tons of wine, hogsheads of wine, The Golden Rule, provisions, measurements, interest, Rules of Practice, gallons of rum, table of money weights and measures, some business principles +++. Measuring 7.25 x 11.75", it is bound in together without covers; the first and last leaf a bit more darkened as a result of wear. Remaining all bound, the leaves are very clear and easily read with minimal edgewear and rounding for their age and use. McDuffee has written his name and place of residence in many places with dates starting at 1784 and some references to 1801 such as someone owing him money etc. BIO NOTES: His stepfather was Lt Col. John McDuffe, son of an Irish immigrant that fought valiantly in both the French and Indian War and the Revolution and was a Congressman. John Jr, whose real father was Capt Daniel McDuffee, was adopted by Lt Col John Sr. McDuffee went on, only a few years after his schooling and the creation of this cypher book, to become a successful farmer and important part of Rochester's history, as noted below, so this gives added charm to this fantastic post Revolutionary War cypher book. Overall Fair+.
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