Self-instruction for young gardeners, foresters, bailiffs, land-stewards, and farmers : in arithmetic and book-keeping, 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 / - Loudon, J. C. (Longman, Brown, Green, and Longmans,, 1847)