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...
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