Shunting tests at toton on two prototype monobloc wagons (E-231)

At the request of Mr, Harrison, Chief Mechanical Engineer, B.R. Central Staff, shunting test3 have been carried out on two prototype "Monobloc" tank wagons. These vehicles were constructed by Messrs. M. & W. Grazebrook Limited, Dudley, Worcestershire, for the Storage and Transport System limited, 262/264 Regent Street, London, W.1. ...