Thos. Firth and John Brown Ltd. - finish grinding a 56” x 91” back-up roll made as a one-piece forging

Thos. Firth and John Brown Ltd. - rough machining of a 53” x 80” back-up roll prior to hardening. Weight of finished roll is 32 tons.

Thos. Firth and John Brown Ltd. - Forged steel work roll 24 inch x 91 inch for hot rolling aluminium, in roll grinding machine

Thos. Firth and John Brown Ltd. - rough machining of a forged steel roll for use in a Blooming Mill. Weight of finished roll is 290 tons.

Thos. Firth and John Brown Ltd. - general view of Firth Brown roll grinding shop. Large rolls 35 x 96 (weight 16 tons each) - for hot rolling aluminium, in process of grinding

Thos. Firth and John Brown Ltd. - Pair of fully-hard rolls coated with protective varnish, ready for packing prior to despatch

Thos. Firth and John Brown Ltd. - method of storing forged steel work rolls and back-up rolls in stands of welded construction

Thos. Firth and John Brown Ltd. - group of forged steel rolls for use in the cable industry showing rolls before and after grooving

Thos. Firth and John Brown Ltd. - protecting the surface for storage of a roll provided with a mirror finish for cold rolling aluminium foil

Thos. Firth and John Brown Ltd. - Method of storing large back-up rolls weighing 40 tons each, the barrels being protected from atmospheric conditions by aluminium sheet