The circuit is from 80s Siliconix documentation. The integrated circuit is from the company and is not common today. It can be used operational equivalent more common in our times.
Frequencies from 1 to 10 MHz can be obtained with a small adjustment of the variable in a narrow...
Pressing and releasing S, the capacitor C1 charges and discharge slowly through the oscillator...
This Wien bridge oscillator was found in Radio Electronics from the 90s. The circuit uses the 741...