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