Practical cinematography and its applications (1913)

2 5 o PRACTICAL CINEMATOGRAPHY 1873, a series of photographs of the transit of Venus were taken in 70 seconds. This caused him to build a photographic gun, with which gulls in flight were secured. The work of Muybridge, the English investigator residing in San Francisco, aroused his enthusiasm to the highest pitch, and enabled him to -perfect his system of taking a series of successive photo- graphs upon a single glass plate. Finally, in 1893, he produced his first moving-picture camera working with celluloid films. But some twenty years before this last achieve- ment he had conceived the idea for an Inter- national Institution where experiments of this character, in connection with motion photography, might be carried out to the advantage of the sciences. He realised that the elucidation of physiological phenomena was quite beyond the capacity of a single individual. He outlined his scheme at the Fourth Physiological Congress, held at Cambridge (England) in the early seventies, while Monsieur H. Kronecker, of Switzerland, a great admirer of Marey's work, who succeeded to the presidential chair of the Institution after the founder's death, urged a similar plea at an exhibition of scientific apparatus held in London in 1876. Marey's broad-mindedness met with its reward. With the assistance of private friends and