High quality copy of the original instruction manual for Beseler #8185 and #8186 Dual Dichro S colorheads with internal 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: