This traditional dimmer configuration for incandescent lamps and heating elements was found in an RCA transistor manual. SCR can be a more modern equivalent like TIC106, depending on the power grid.
I found this circuit in a Popular Electronics from November 1993. It allows to use a 12 V x 1 A...
This interesting circuit is suggested by National Semiconductor and is based on an LH0062...
This high-power drive circuit for MOSFET excitation was obtained from the Texas Instruments...