The Westinghouse Brake & Signal Company Ltd. Miniature power lever frames.


Above: The interior of Clapham Junction 'A' signal box, this was a Westinghouse 'L' frame installation, the day shots were taken on 21st June 1988, the night shots on 6th March 1989. These are reproduced by kind permission of © David A Ingham - more details about Clapham Junction 'A' signal box is contained in 'Style 'L' lever frame Installed by WBS' Contents menu box.Predecessors and background

Westinghouse predecessors included Evans O'Donnell Limited and Saxby and Farmer. Saxby and Farmer was started by John Saxby and John Stinson Farmer in the mid-19th century to manufacture railway signaling equipment. In 1920, Saxby and Farmer and Evans O'Donnell formed Westinghouse Brake & Saxby Signal Company Ltd.

Westinghouse Signal Limited Chippenham England lever frame badge or emblem
The Westinghouse Brake & Signal Company Ltd

was created in 1935 when the Westinghouse Brake & Saxby Signal Company Ltd, dropped the 'Saxby' from their title. For most of the 20th century, it manufactured railway air braking and signaling equipment in the engineering works in Chippenham, Wiltshire, England and Melbourne, Australia. The company's main factory was located immediately north of Chippenham railway station.


Westinghouse Brake and Signal Company Ltd formed part of BTR plc in the 1980's who acquired it from the Hawker Siddeley group in 1982. In 1999, BTR merged with Siebe to form Invensys. Invensys quickly split the company into Westinghouse Signals Ltd and Westinghouse Brakes Ltd, Westinghouse is deemed to be the largest signaling design and control engineering company within the UK. Westinghouse Signals Ltd is now Westinghouse Rail Systems part of Invensys Rail which in turn is a division of Invensys plc

Navigating the web site
  • Frame Style lists frame types by signal box
  • Non WBS Power boxes lists 12 other Non Westinghouse power signal box's of interest.
  • Technical Info contains signals, relays, track circuits information.

John Hinson's signal box web site comes highly recommended, located at
The Signalling Record Society web site is also recommended for research, located at


copyright remains with the person who took them, you should contact them if you wish to use their pictures. If no contact address is given on the page, please contact the webmaster in the first instance.