Photographic optics and colour photography [electronic resource] : including the camera, kinematograph, optical lantern, and the theory and practice of image formation (1909)
Johnson, G. Lindsay (George Lindsay), 1853-, Parsons, John Herbert, Sir, 1868-1957, donor, University College, London. Library Services · London : Ward & Co. · leaf 50
PHOTOGRAPHIC OPTICS 32 a perfect, though somewhat expensive, instrument may be built." In any case, the instrument should bring each fresh piece of film into position without shake, and so that the exposure should be as long and the change as short as possible … Fig. 31. between each exposure. In Newman & Guardia's kinemato- graph 90 per cent, of the total time is devoted to exposure. 2. The Kinematograph Projecting Apparatus. — This is a slightly more complicated mechanism than the former, and
![An illustration from Photographic optics and colour photography [electronic resource] : including the camera, kinematograph, optical lantern, and the theory and practice of image formation, 1909, leaf 50](https://img.insideoutlibrary.com/img/1024/ia-b21287223-50-0.webp)
