Instruction Manual for the various models of Time-O-Lite photographic timers.
Instruction Manual for the Chromegatrol II stabilized power supply and timer.
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.
High quality copy of the Omega instruction manual for the multi-purpose CT-40 Darkroom Timer / Controller.