Marey very much admired the results Muybridge had achieved at Palo Alto, but was dissatisfied with the lack of precision in the images of birds. In 1882, he perfected the 'photographic gun', inspired by the 1874 'photographic revolver' of the astronomer Jules Janssen, and capable of taking twelve exposures in one second.In 1882 Marey opened the Station Physiologique in the Bois de Boloigne, funded by the City of Paris, with Georges Demeny as his assistant. Marey quickly abandoned his gun and in 1882 invented a chronophotographic fixed-plate camera, equipped with a timed shutter. Using this, he succeeded in combining on one plate several successive images of a single movement.
In 1888 Marey again improved his invention by replacing the glass plate with a long strip of sensitised paper. The first 'film' on paper, taken at twenty images a second, was shown (but not projected) at the Academie des Sciences on 29 October 1888. The strip was moved intermittently in the camera by an electromagnet. Two years later, Marey replaced the paper strip with a transparent celluloid film 90mm wide and 1.2m or more long. A pressure plate immobilised the film and a spring restarted it when the pressure was released.
Between 1890 and 1900, Marey (assisted by Demeny up to 1894, then by Lucien Bull and Pierre Nogues) made a considerable number of motion analysis filmstrips of high technical and aesthetic quality, including the very beautiful self-portraits of Marey and Demeny, and the famous falling cat filmed in 1894.
That year, Marey accepted the resignation of Demeny, who wished to exploit commercially his master's methods.
1894 also marked the publication of Marey's Le mouvement, an important work which covered all his researches. He exercised a considerable influence on all the pioneering inventors of the cinema in the 1890s. His works, widely reported in the international press, were a strong inspiration for Thomas Edison and Louis Lumière, among others. Marey, the founding father of cinematographic technique, died in 1904. His researches were followed up by Bull and Nogues at the Institut Marey, where they made microscopic, X-ray and high-speed analysis films.
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