| 摘要 |
An accessory for a photolithographic plate making machine including a developer tray positioned to divert a light sensitive medium from passage into the usual processor of the machine, a fixing tank to be substituted for the print catcher of the machine, and a timing hood for completing the light shielding of the developer tray and affording manual access to the tray and the tank. The hood further includes an indicator especially convenient for timing two events which are to occur in succession.
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