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Self-instruction for young gardeners, foresters, bailiffs, land-stewards, and farmers; in arithmetic and bookkeeping, geometry, mensuration, and practical trigonometry, mechanics, hydrostatics, and hydraulics, land-surveying, levelling, planning, and mapping, architectural drawing, and isometrical projection and perspective: with examples, showing their application to horticultural and agricultural purposes / By the late J.C. Louden. With a memoir of the author [by Mrs. Loudon]. Public Domain Mark. Source: Wellcome Collection.