High quality copy of the original instruction manual for Beseler #8181 Dual Dichro 23 colorheads with external power supply as fitted to 23C II enlargers. This deluxe reproduction features a comb binding so it will lie flat for easy reference, front and back covers on heavy cover stock, and a clear plastic cover page for added protection and durability. 8½" x 11" format. Comb bound. 10 pages.
Topics covered in the manual include:
- Preparing the 23C
- Installing the Dual Dichro 23 in the Diffusion Mode
- Installing the Dual Dichro 23 in the Condenser Mode
- Connection of Standard Power Supply
- Connection of Stabilized Power Supply
- Color Printing Trial Exposure Table
- Color Printing Color Balancing Table
- Black and White Printing
- White light Lever/Paper Saver Circuit
- Mode Recognition Circuit and Mode Recognition Indicators
- Auxiliary Filtration
- Lamp Replacement
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