Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 202
And by the same process for a third deviating surface. Equationapplicable to thethird deviation; 1 m tt m r + m (/ + f) . . . (22) ELEMENTS OF OPTICS 193 … Third deviatedray incident upona fourth surface; And for a fourth, 1 (m - 1) / //;/ m r J . . (23) Equation m (ff + t) applicable to the fourth deviation,and so on. And so on for any number of surfaces, the law being ma-nifest. § 33. The value of f + t deduced from Equation (20) Direct relationand…
Mechanics · Acoustics · Optics
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