Thos. Firth and John Brown Ltd. - Cogging mill for producing bars and billets in stainless steel - showing forged steel rolls in use.

Thos. Firth and John Brown Ltd. - 4-stand tandem mill for continuous rolling of steel sheets - showing back-up rolls (44” x 54”, weight 18 tons each) made as one-piece forgings.

Thos. Firth and John Brown Ltd. - close up of a 1st stand of a tandem mill used for cold rolling steel sheet

Thos. Firth and John Brown Ltd. - Changing a forged steel work roll (20.5 x 56 “) in a mill used for the continuous rolling of steel sheet

Thos. Firth and John Brown Ltd. - forged steel rolls (32” x 84”, weight 12.5 tons). Hot rolling aluminium slabs 9” thick into continuous sheets.

Thos. Firth and John Brown Ltd. - hot rolling aluminium with forges steel rolls

Thos. Firth and John Brown Ltd. - 2-high mill for hot rolling aluminium sheet and strip - forged steel roll (35” x 96”, weight 17 tons) in operations

Thos. Firth and John Brown Ltd. - 2-high mill cold finishing aluminium sheets - forged steel rolls (28” x 96”)

Thos. Firth and John Brown Ltd. - cold rolling continuous coils of brass strip in a 4-high mill, using forged steel work and back-up rolls. 3-stand tandem Mill in the background.

Thos. Firth and John Brown Ltd. - cold rolling continuous coils of copper sheet, in a 4-high reversing mill - forged steel work rolls and back-up rolls in use