This 25 W phase photo control was found in a 1965 General Electric publication. The circuit uses a LASCR which is an unusual SCR photo today.
This is an integrated clock circuit from the time and was published in the November 173 Radio...
This signal follower was obtained from a Raytheon manual from the 1960s. The transistor is made of...
This oscillator was found in the January 1996 issue of Electronics Now magazine. The frequency is given by...