THE extract from the writings of Boscovich which Prof. Osborne quotes is interesting. Until the reason for the rectilinear propagation of light-waves was explained by the work of Young and Fresnel on ...
THE revised edition of Prof. SouthalPs text-book of geometrical optics, in addition to a number of new problems scattered throughout the book, contains an important new chapter at the end of the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results