Lancaster, PA, 1843. Journal. Very Good. Folio. Over 130 pages of handwritten mathematics exercises with a multi-color calligraphic title page and similar headings on each page. Sound binding. Clean pages. Some cover wear and soiling. This cipherbook is somewhat unusual in that instead of focusing on basic commercial arithmetic like most copybooks, its sections include rather more abstract (though still practical) problems: Single Rule of 3, Double Rule of 3, Loss and Gain, Exchange, Decimal Fractions, Cube Root, Alligation, Position, Double Position, Arithmetical Progression, Geometrical Progression, Compound Interest, and conclude with a series of Promiscuous Questions. Census records show that Barr was eleven years old when he prepared this cipherbook. He lived in Lancaster for his entire life and became a prosperous owner of a large "Agricultural Implement and Seed Warehouse."
(Inventory #: 008387)
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