Sample of cast steel from (L) iron, one of a group of specimens illustrating the manufacture of needles, hackles, combs, gills and springs

One of a group of specimens illustrating the manufacture of steel - a sample of blister steel made from bar iron 1857.180.34

One of a group of specimens of English and Welsh railway bars - a section of chair for bridge or flat-bottomed rails, rolled in 1856 at Rhymney, Glamorganshire

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of grey copper ore from the Burra Burra Mines, South Australia

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of mixed carbonate and sulphuret of copper from the Burra Burra Mines, South Australia

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of black oxide of copper and iron pyrites from the Burra Burra Mines, South Australia

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of copper ore, chiefly blue carbonate, from the Burra Burra Mines, South Australia

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of peacock ore or sulphuret of copper from the Burra Burra Mines, South Australia

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of copper pyrites and oxide of copper from the Burra Burra Mines, South Australia

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of bell metal ore (?) from the Burra Burra Mines, South Australia

One of a collection of raw and manufactured products from the Great Exhibition of 1851 - a sample of iron pyrites or mundic from the Burra Burra Mines, South Australia

One of a collection of agricultural models - a condensing beam steam engine, made in 1840

Working model of high pressure steam engine, with overhead crank and brass cylinder, scale 1:8, made in 1850

One of a collection of specimens illustrating the refining of gold and silver by nitric acid - alloy ready for refining - two ingots of impure gold imported from Australia

Model of blowing engines at Wigan Coal and Iron Works, Kirkless Hall, near Wigan, the original designed by Robert Wilson of Nasmyth Wilson and Co. of Manchester, made in musuem workshop in 1876

Model of a patent Corliss engine, horizontal and non-condensing, scale 2 inches to 1 foot, made from designs by Messrs Douglas and Grant of Kirkcaldy, 1876