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A General Investigation of the Nature of the Curve, Formed by the Shadow of a Prolate Spheroid, upon a Plane Standing at Right Angles to the Axis of the Shadow; in a Letter to the Royal Society, by Mr. George Witchell, F. R. S.
Witchell, G.Volume:
57
Journal:
Philosophical Transactions of the Royal Society of London
DOI:
10.1098/rstl.1767.0004
Date:
January, 1767
File:
PDF, 1.73 MB
1767