Excellent quality photocopy of the original Beseler Dual Dichro S Colorhead Instruction Manual. The Dual Dichro S is made for the Beseler 23C enlarger.

This 10 page illustrated manual is printed on double sided 11"x17" heavy weight paper, folded and stapled in the center just like the original. It contains sections on specifications, components, preparing the 23c enlarger, use of the colorhead and lamp replacement.