Instruction Manual for the Chromegatrol stabilized power supply and timer model 412-037.
Instruction Manual for the Chromegatrol stabilized power supply and timer models #412-040 & 412-045.
Instruction Manual for the Omega A-2 35mm condenser enlarger.
Instruction manual for the Chromega B Dichroic Lamphouse as fitted to B-66, B-600, and B-22 enlargers. Includes parts diagrams.