High quality copy of the original Industrial Timer Corporation instruction manual for their Time-O-Lite darkroom timers. 5½" x 6" format. Staple bound. 20 pages.
The manual covers the following models:
Note: this manual is also applicable with the earlier series "59" timers (P-59, M-59 and S-59) which are functionally the same as the "72" models. The main difference between series 59 & 72 is that the earlier timers were made with 2 wire (non-grounded) AC cords and receptacles .