Nipkow amplifier for disc (CB7241E)

Found in a 1967 documentation, this infrared amplifier is intended for use in a Nipkow disc camera controlling a motor.

| Clique na imagem para ampliar |

Different Crystal Radio (CB933E)
This different configuration for a crystal galena radio or modernized since a diode is used, has a...
Flashing Timer Switch (CB16959E)
This circuit is from 1990 documentation. When we press D1 the lamp remains on for a time interval that...
SCR Test your Nerves (CB12205E)
This version of the test lights a lamp when the ring touches the tortuous wire. The SCR can be the...