00651cam a22002051a 4500001001300000003000400013005001700017008004100034010001700075035001800092040002400110042001200134050001500146100003200161245012200193260005800315300003200373650002400405650001600429sg 19000079 DLC20260227112738.0740829s1918    enk           000 0 eng    asg 19000079   a(OCoLC)992893  aDLCcONcMdTxUdDLC  apremarc00aQC383b.S51 aSilberstein, Ludwik,d1872-10aSimplified method of tracing rays through any optical system of lenses, prisms, and mirrors /cby Ludwik Silberstein.  aLondon ;aNew York :bLongmans, Green and Co.,c1918.  aix, 37 p. :bill. ;c22 cm. 0aGeometrical optics. 0aRefraction.