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Pleograph was an early type of movie camera constructed in 1894, before those made by the Lumière brothers, by Polish inventor Kazimierz Prószyński.

Similarly to the Lumière brothers cinematograph, Prószyński's pleograph has also been used as a projector. The apparatus used a rectangle of celluloid with perforation between several parallel rows of images. Using improved pleograph Prószyński shot first short films showing scenes from the life of Warsaw like people skating on in the park ("Ślizgawka w Ogrodzie Saskim" - 1902).

Prószyński later constructed the first hand held camera called an Aeroscope, the first compressed air camera.