The Grand Master lighting control is on a perch 8 feet in the air at the side of the stage (SR). It was in use until the 1980s (from 1938 when the venue opened), and is still in place now.

Grand Master (June 2021)
Click thumbnail to enlarge

Grand Master (June 2021)
Click thumbnail to enlarge

Grand Master central panel close-up (June 2021)
Click thumbnail to enlarge

Grand Master close-up (June 2021)
Click thumbnail to enlarge

Grand Master front view (June 2021)
Click thumbnail to enlarge

Grand Master in context (June 2021)
Click thumbnail to enlarge