Early pioneers of electric stage lighting. Started by the brothers John and Anton who emigrated from Germany to the US around 1895. A tribute website here. The company ceased to exist in the 1990s, but their fixtures and controls can still be found in theatres across America.
View attachment Q-File Lighting Control System Operators Handbook.pdf
Q-File Operators Handbook courtesy of [USER]ship[/USER]
View attachment Q-File Lighting Control System Operators Handbook.pdf
Q-File Operators Handbook courtesy of [USER]ship[/USER]
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