00639nam a2200205 a 4500003000900000005001700009008004100026010001400067040002800081082001200109100002700121245003700148250001100185260004800196300002900244490003300273500009500306500002000401650001200421BD-KhUET20111229145849.0111227s1949    maua     b    001 0 eng d  a 51001018  aDLCcDLCdDLCdBD-KhUET00a5352211 aSears, Francis Weston.10aOptics. /cFrancis Weston Sears.  a3d ed.  aCambridge, Mass. :bAddison-Wesley,cc1949.  a369 p. :bill. ;c24 cm.0 aPrinciples of physics series  aFirst-third editions published, 1946-1948, as v. 3 of the author’s Principles of physics.  aIncludes index. 0aOptics.