Hornby's 0-6-0 ST Class J94, designed by R A Riddles in 1943 was produced in quantity for Ministry of Supply use and also for industrial railways. Hornby actually make a private owner's version, model No. R2556, in NCB livery.
Others with more knowledge than I have will no doubt be able to add more information.
Regards,
John Webb
Others with more knowledge than I have will no doubt be able to add more information.
Regards,
John Webb