This circuit was obtained in a Electronics World of 1968. The transistors can be equivalent as the BC558 for the PNP and the BD135 for the NPN powering lamps from 3 to 12 V according to the supply.
We found this circuit in the 1994 Linear Applications Handbook from National Semiconductor. The...
This circuit is from a 90's publication but uses components that are still common in our market....
This circuit was found in a 1983 Electronics Experimenters, but it can be easily assembled, since...