RCA, Radio Corporation of America, Tube Department, Harrison NJ, 1948; 4-page bifold 8.5x11, diagrams.
Condition: Very Good, 4-page bifold 8.5x11, three-hole punched at margin, vertical fold slightly diagonally, light edgewear, otherwise clean and unmarked with old erasure at upper front and old finger-sized stain interior page.
See all items by Electron Tubes RCA Application Notes
Item DescriptionRCA Application Notes, March 1, 1948. Includes diagrams On-Off Interval Timer; Repeating Sequence On-Off Interval Timer; 3-step Interval Timer; on-off sequence of relays.
This note describes three representative electronic timing control circuits which can utilize either the 2D21 or the 2050....