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MACHINERY DEVELOPMENT:
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An example of the neiv Eastman Sound Patch.
Eastman Kodak Company placed on the market a clever film patch for sound film patching. This patch is made of light-weight, opaque film. It is claimed that this patch is practically inaudible.
Western Electric announced an electrical reverberation meter for measuring reverberation time. This method is similar in principle to the Sabine method only an electro acoustical ear of controllable threshold sensibility is substituted for the human ear.
Among the Hollywood studios a new cine filter holder and a sunshade, added to the Leica camera, has made this equipment one that is much used. The new devices were designed by Jackson Rose, A. S. C, and makes easy the use of the many density and color filters which, in turn, makes it possible for the cameraman to use this camera for making lighting and composition tests.
Another important piece of equipment developed during the past year is a housing for an Eyemo camera devised for the purpose of under-water photography. This was developed by E.R.F. Johnson of Camden, N. J., for the use of Alfred L. Gilks, A.S.C. This device makes under-water cinematography comparatively easy. The photographs on the following page give an excellent idea of the construction of this housing device.
M. W. Palmer of the Paramount Studio. Long Island, N. Y., has developed a unique device for projecting footage numbers. It is shown in the two pictures accompanying this brief description. The device, according to Mr. Palmer, can be used in various ways in connection with sound pictures, as for instance: the introduction of sound effects in scenes already taken, the footage numbers appearing on the screen give an advance warning of the approach and finish of the scene in