Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 875
fixing is simply a bracket bolted to the wall by three bolts which pass completely through and aresecured on the outside by wall-washers, bonnets, or stars. These are merely plates of cast-iron, some-times with radial arms to increase the amount of bearing surface, with holes through their centres,…
Mechanical engineering · Mechanics · Engineering
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