A cyclopaedia of physical sciences

A cyclopaedia of physical sciences

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The interstices then do just what the card or plate with the hole in it does; it follows, that those parts of the ground, which are ... During solar eclipses, the more or less distinct indentation of the disc, is exhibited in these bright spaces, and they take the form of ellipses, indented all ... But, though it can indicate whether or not there will probably be an eclipse, it docs not at all indicate whether that eclipse willanbsp;...

Title:A cyclopaedia of physical sciences
Author:John Pringle Nichol
Publisher: - 1860


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