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129 FOR THE IMPROVEMENT OF FILM SERVICE
1. Be sure to read and preserve the book of instructions with each machine.
2. Oil the machine frequently with a very little sewing machine oil. The kind known as "Three-in-One" is recommended, but be careful to wipe off all excess oil so that it does not come in contact with the film.
NOTE: Special lubrication instructions should be followed for New PREMIER Pathes copes.
3. Keep your gate clean. As the film passes through the gate a certain amount of emulsion is scraped off, which, if allowed to accumulate, forms a hard scale on the guides. Sometimes the friction of this scale is so great that the perforations of the film are torn by the intermittent movement trying to feed the film thus tightly held.
The film guides should be wiped with a chamois skin after every film, and cleaned with the bonescraper, which is among the cleaning tools, whenever scale is found adhering to them.
4. Be sure to leave a full semi-circle of loop at both the top and bottom of the gate. The motion of the film in the gate is intermittent, while elsewhere it is continuous. If the loop is too short, the perforations in the film will be torn and the film rendered useless unless the damaged portions are replaced. For such damage the subscriber will be considered responsible.
5. Do not allow film to stand still in the gate exposed to the full force of the light more than a few seconds or it will be warped and may not then run properly.
6. Be sure your lamp is properly centered.
7. Be sure that your lenses are clean and that you have the best possible focus obtainable while the film is running.
8. Do not run your Pathescope too fast, as in doing so you produce unnatural movements in the figures on the screen and may injure both film and machine.
9. Do not run it too slow as this is productive of unnecessary flicker.
10. Excessive brilliancy is obtained only by sacrificing the life of the lamp. Do not advance your rheostat adjusting lever too far toward the "BRIGHT".
11. We prefer that films be returned to us not rewound — we rewind during inspection.