Automatic electric horn sounds with the Deceleration of the vehicle when brakes are applied in an emergency. Later application 9 January 1930, complete left 5 June 1930.
Patent for improvements in warning devices for motor vehicles
Archive Unit
- For more information, email the repository
- Advice on accessing these materials
- Cite this description
- Bookmark:http://archiveshub.jisc.ac.uk/data/gb434-lan/lan/6/234
- This material is held at
- ReferenceGB 434 LAN/6/234
- Dates of Creation05 September 1929