Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 229
liquities, will be measuredby f\ given in Equation (27). This is obvious fromthe fact that in the immediate vicinity of the tangen-tial points the surfaces, which are spherical, will besymmetrical in resj)ect to the line which joins them. To find where the ray referred to intersects the axis of… … Relation fromfigure; r, and C Of of the second is rf;SP and S P the traces oftwo parallel tangent planes.Denote by t the distance 0 0\between the surfaces measur-ed on the axis, and by e the distance OK, from the firstsurface to the intersection of the line joining the tangen-tial points P, P\ with…
Mechanics · Acoustics · Optics
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