A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 40
a cross railbelow; both being well secured by screw bolts,as upon them bears the whole stress of the ma-chine. What are called the bowls, or calenders,are placed one above the other between the topand the bottom. Of these the bowls marked eand i, are generally of the same diameter, andmade of hard… … Ify. 2.
Encyclopedias and dictionaries · Aeronautics
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