| Job Title |
Repeat-photocomposing-machine Operator |
| Job Description |
Operates Photocomposing Machine To Repeat Designs On Film For
Transfer To Sensitized Copper Rollers Used In Printing Such
Products As Wallpaper And Oilcloth: Sketches Design Layout On
Worksheet According To Sequence In Which Design Is To Be
Repeated Around Roller. Computes Machine Setting Required To
Repeat Design On Film As Laid Out On Worksheet, Using Standard
Formulas And Tables. Mounts Positive Print On Negative Frame,
Aligning Centerline On Print With Centerline On Frame, And Tapes
Print In Position. Masks Area Around Print With Black Paper.
Centers Film On Backboard Of Machine And Tapes Film In Position.
Lifts Backboard Against Negative Frame And Locks In Position.
Moves Negative Frame In Position For Exposing Film To First
Repeat Of Design, Following Computations On Worksheet. Starts
Compressor That Creates Vacuum Between Negative Frame And
Backboard, Drawing Backboard Against Negative Frame. Exposes
Film To Light Through Positive Print For Specified Time,
Transferring Image From Print To Film. Repeats Process Until
Design Has Been Repeated Along Vertical And Horizontal Plane Of
Film A Specified Number Of Times. Removes Exposed Film From
Machine And Processes Film Through Series Of Chemical Baths To
Develop, Fix, And Rinse Film. Examines Developed Film For
Exposure Errors And Misalignment Of Repeated Designs. Agitates
Film In Chemical Solution To Etch Out Overexposed Film. Discards
Unusable Film. Hangs Developed Film On Line To Dry.
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