The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 430
n inch radius, and thefourth tooth c is Ij inch thick, and 2i inches longer than the first, and thefifth and last tooth li is 4^ inches thick, and projects nearly 7 inches; a spaceof 24 inches is left between the 4th and 5th tooth. The upper surface oftlie beater is perpendicular to the first… … Fig. 2. The operation is performed in the following manner :—the plants arefirmly twisted together in bundles of about a pound each, and then cleansedand deprived of all gummy and other extraneous matters, and softened bybeing beaten or pressed. About SO lb. of the plant is then laid on thetrough…
Architecture · Civil engineering · Science
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