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Tivenly-four
AMERICAN CINEM ATOGRAPHER
June, 1924
WILLIAM A. JOHNSTON
Editor — Motion Picture News (A Recognized Authority on Picture Values)
had this to say in his issue of April 12 (Page 1624)
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good evidence of the real cooperation we give to Cameramen whose good judgment and experience justifies their choice of —
ROTHACKER-ALLER LABORATORIES, Inc.
5515 MELROSE AVE.
— Hollywood 7180
splice. This was done and the splice then made in this machine, in our laboratories, was practically the same width as we had made by hand in our exchanges, but which we had to discontinue for reasons already given.
During all of this investigation, experiments and education, we learned that there were only a very few causes for poor splicing, and if we entirely eliminated these causes, it would practically eliminate film damage, as well as greatly improve presentation of pictures in theatres.
These causes can be readily summed up as follows:
1 — Failure to entirely remove the emulsion from the surface of the splice.
2 — Excess scraping of celluloid after emulsion had been removed making the base too thin.
3 — Cement in bad condition causing splices to come open.
4 — The use of too much cement causing splices to buckle.
5 — Imperfect registration of the sprocket holes.
We eliminated the most of these faults by various methods and devices until we were satisfied that we had gone as far as was humanly possible to do so, in the manual splicing of films.
And about this time the Standard Film Laboratories
of Hollywood got the Bell & Howell people to adjust their machines so that they would make a full hole splice and narrow enough to conform to the periphery of sprocket wheels, as the standard laboratories had learned exactly as I had learned, that the wide splice was bad, but that the operators desired a full hole splice, and it was practically impossible to make this splice by hand.
After installing several of these machines I closely watched results of this new splice, and soon found these splices were standing up far beyound our fondest hopes, that the operators were accepting them and were not cutting them out, and our films were not receiving anywhere near the amount of damage they had been.
We recently completed a 60-day test of the Bell & Howell machine in one of our exchanges and the results were so satisfactory that it in now only a question of time until we install splicing machines in all of our exchanges.
In our educational work and inspection of inspectors, we never lost sight of the fire hazard and did everything in our power to keep the fire hazard in our exchanges down to a minimum.
Last fall I made a one reel picture showing the right and wrong way of splicing and handling of films in our exchanges, and we are of the opinion that the picture did more to educate our inspectors in the proper handling of film, than anything we had done before.