This is a very common circuit in the days of xenon flashes for cameras. This is from a Radio Electronics magazine from November 1965. It uses an SCR and has manual triggering.
This circuit hás a Power output of more than 1 W. It is used in small experimental or low power...
This circuit was found in a former Popular Electronics. The timing is given by R1 and C1, R4 and...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...