The elements of natural and experimental philosophy .. (1834)
Phillips, R. (Richard), Sir, 1767-1840, Smith, E. A · New York, M'Elrath, Bangs & Herbert · leaf 129
5. If an object ABC, Fig.51, be placed beyond the focusF of the glass d e f, -some ofthe rays which flow from eve-ry point of the object on theside next the glass, will fallupon it, and after passingthrough it they will be con-verged into as many points onthe opposite side of the glass,where the…
Physics
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