BBC PAG/1/01 Portable Frequency Generator

Made:
1948

BBC PAG/1/01 portable frequency generator, 1948. Orchestral 'A' portable generator, international model. Provides a consistent musical note at an a 'A' pitch, similar to that of an oboe, at a frequency of 440 Hz.

The BBC used it to make sure that different orchestral movements were in tune with each other even when they were recorded on different days.

Details

Category:
Television
Object Number:
2012-5118/287
Materials:
chromium plated, electronic components and steel (metal)
type:
sound device
taxonomy:
  • furnishing and equipment
credit:
The BBC Collection