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Notebook of Alexander Drysdale, containing material on trigonometry with calculations of heights and distances illustrated with drawings in watercolours.
Item
Identifier: MS.14286
Scope and Contents
One example is taken from Leith (folio 26). Also included are some sketch plans of property near Fergus, Ontario, farm accounts and miscellaneous notes, 1835-1838.
Dates:
Early 19th century.