Virtual Grand Master

Photo of Grand Master lighting control

The Grand Master was an early electric stage lighting control system, using resistance dimmers and mechanical operation via levers, wheels, shafts and gears.

As a part of my research, I have created a β€˜virtual’ Grand Master - a software emulation that reproduces how the original control system worked. You can download Virtual GM to learn more about how lighting was controlled in many theatres in the UK between the 1930s and the 1950s: