The circuit shown is from the 1994 Linear Applications Handbook by National Semiconductor. Some of the components are not currently common and should be looked for equivalents.
This circuit was found in a 1980s documentation. The IC is the 7400 and should be powered with 5...
The function generator XR2206 is not very easy to obtain, but if you get one you can assemble this...
This circuit converts a 12 V continuous voltage from a battery into an alternating voltage of 110...