Coddington, Henry, -1845 author · Cambridge : Printed by J. Smith, printer ot the University, for J. Deighton & Sons, and G.B. Whittaker, Ave Maria Lane · leaf 87
if it be not thought proper k to neglect t, the thickness of the lens, we may make the calculation rather simpler by measuring A" from the second sur¬ face. in — 1 m Then, + A T t r m — 1 m A r — - f -m | + t\ I m r + (m — 1 ) A r m — 1 m r + (?«-- 1 ) A f in r + ( m — 1 ) A - - (_ - — — < 1 -j- .… … I
Geometrical optics
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