Three Manuscript Student Exercise Books [George Depledge]

Three Manuscript Student Exercise Books George Depledge, folio, paper wrappers, late 18th/early 19th Century, one book dated July 1811 and entitled Practice Interest Brokage Profit & Loss Equation of Payments & Barter, another 'The Elements of Geometry', the last a practice day book, all executed in a neat hand with mathematical tables and graphs