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 21
hose revolution thecurve is described is called the generating circle.The following are some of the most remarkableproperties of this curve.—1. The base AB isequal to the circumference of the generating circle.2. The axis C D is equal to the diameter of thegenerating circle. These two properties… … ij 1 and the cycloid in E. The straight line E G isequal to the sum of the circular arc D K, and itssine KG. Let the generating circle F E H passthrough E and touch the base AB at F; joinEF and KG, and draw the diameter FH. Thechords F E and C K are evidently equal andparallel, therefore FCi^E K ;…
Encyclopedias and dictionaries · Aeronautics
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