Patent for Stellwerk fuer Buehnenregulatoren, Schwabe & Co, 12/12/1921 (Q31801)
From CanonBase
Mechanical control system for stage dimmers
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for Stellwerk fuer Buehnenregulatoren, Schwabe & Co, 12/12/1921 | Mechanical control system for stage dimmers |
Statements
12 December 1921Gregorian
0 references