International projectionist (Oct 1931-Sept 1933)

Record Details:

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How Long Since You Tested Your P. E. Cells? # Play safe! Take no chances of spoiling your show because of defective cells. Avoid trouble. Test your cells at regular intervals by trying all of them out in the same machine and with the same film. Check them carefully for sensitivity, quality of sound, volume. Good sound is vital. You cannot afford to have anything less than the best possible. REPLACE WITH 0 If you are in doubt as to the quality of any of your cells, we will test them and give you an accurate and unbiased report on their condition, without charge. Simply send them to us by prepaid express, advising us by letter that they are being sent. Also, any questions you may wish to ask regarding the operation, maintenance or characteristics of photoelectric cells will be gladly answered, without charge or obligation. '^ ISITRON PHOTOELECTRIC CELLS The product of seven years' experience in the manufacture of Photoelectric Cells. Manufactured by G-M LABORATORIES InC. 1737 Belmont Avenue Chicago, Illinois Order VI SIT RONS by name from NATIONAL THEATRE SUPPLY COMPANY