Plaster copy of Bust of James Watt, by Sir. Francis Chantrey, 1815 Plaster copy of Bust of James Watt 1815
Fragments from the plaster Bust of James Watt, by Domenico Brucciani, United Kingdom 1815 Fragments from the plaster Bust of James Watt 1815
Small bag of "Newtempheit" heat insulating material Small bag of "Newtempheit" heat insulating material
Square piece of plate with Leroy's patent non-conducting composition for boilers Square piece of plate with Leroy's patent non-conducting composition for boilers
Collotype, view of steam turbine plant, Carville Power Station, Newcastle Collotype, view of steam turbine plant, Carville Power Station