Process timer (CB21865E)

We found this timer for times of a few minutes in a 1974 Ferranti transistor manual. The relay is 37 mA sensitive type.

Windshield Wiper Control (CB6339E)
This circuit of a Popular Electronics is intended to control a wiper. The circuit consists of a...
Unijunction rectangular generator (CB9248E)
Found in an Electronic Design of 1964, this circuit operates with control voltages from 0 to 12 V...
TC9400 Voltage to Frequency Converter (COM127E)
November 2016 - Mouser Electronics has in stock the new TC9400, Voltage-to-Frequency Converter...