Marston_-_110_thyristor_projects_1972 -

: Light-sensitive switches (LASCR), liquid-level alarms, and time-delay circuits.

: Lamp dimmers, motor speed controllers, and heater regulators. Marston_-_110_Thyristor_Projects_1972

: Overvoltage protection and emergency lighting systems. : Light-sensitive switches (LASCR)