A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 41
x of an an-gle? How is an angle named? On what alone does the size of an angle depend?When is one line said to be Perpendicular to another ? What is a Eight Angle ? Byvhat is a right angle measured ? What is an Obtuse Angle ? What is an Acute An 36 MECHANICS. Fig. 22. 20. A Rectangle is a… … all the points of which are equally distant from a point within calledthe centre ; as, A B C D, Fig. 24. 23. The Axis of a sphere is a straight linepassing through its centre and terminating in itssurface, round which it revolves; as, the straightline connecting A and B, in Fig. 24. 24. The Poles…
Physics
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