British Industrial Narrow gauge.
Callender's Cable located in Belvedere, Kent was a 3' 6" gauge line.
1924 Bagnall 0-4-0ST "Woto" with a train of cable drum cars circa 1966/7.

Photo by Ray Soper, Brampton, Ontario, Canada. (Ray Soper)

Scan by Michael Taylor www.MichaelTaylor.ca