Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 543
to /, the focus passes to L. According as the point of light comes nearer the lens, the convergence of the emergent rays decreases, and the focus / becomes more distant ; when the point L coin-cides with the principal focus, the emergent rays on the other side are parallel to the axis, and there is…
Physics
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
