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Muybridge, however, not only took the first photographs of moving objects but also first projected them on a screen, thus leading directly to the modern exhibitions of moving pictures. This he did in lectures, beginning in 1880, and on a large scale at the Chicago exposition of 1893, where a building was especially erected in which he exhibited flocks of birds flying across a screen, athletes wrestling and similar moving pictures. In 1886 Muybridge consulted the inventor of the phonograph with a view to reproducing simultaneously visible actions and auditory words. Neither method of reproduction was, however, at that time sufficiently advanced, and. it was necessary to wait until last year, when Mr. Edison was able to synchronize in a satisfactory manner the pictures and the sounds.

Although the reproduction of a play by moving pictures and the phonograph