factory whistles

  1. Home
  2. top of the aat hierarchies
  3. Objects Facet
  4. Furnishings and Equipment (hierarchy name)
  5. Tools and Equipment (hierarchy name)
  6. equipment
  7. [equipment by process]
  8. [equipment for transmitting and reproducing sound]
  9. [sound communication tools and equipment]
  10. [sound communication devices]
  11. factory whistles
Scope note
Whistles used to mark the beginning or end of work days at a factory.
factory whistles
Accepted term: 29-Apr-2024