This circuit was found in old documentation, appearing elsewhere in this section, taken from other sources. The lamp is of a special type from the period.
This circuit was found in a 1967 Delco Radio documentation. The circuit has an input voltage of 250...
We found this simple oscillator in a 1977 amateur radio documentation. It can oscillate up to 30...
We found this circuit in a European publication from the 1970s. The transistors are made of...