BS 689:1936
Railway mechanical signalling apparatus (signal posts semaphore signals, fittings and connections, and point connections and fittings.)

Standard No.

BS 689:1936

Release Date

1936

Published By

British Standards Institution (BSI)

Status

Be replaced

Replace By

BS 689:1957

Latest

BS 689:1957

BS 689:1936 history

• 1963 BS 689:1957 Railway mechanical signalling equipment
• 1936 BS 689:1936 Railway mechanical signalling apparatus (signal posts semaphore signals, fittings and connections, and point connections and fittings.)