Sectional model of a Babcock and Wilcox water-tube boiler, land type, 1900

Model in section of a Stirling water tube boiler

Model of a "Scotch" marine boiler, to a scale of 1 inch to 1 foot, fitted with all mountings and in position in a part of the hull of a steamship, 1910

Model of a donkey boiler fitted with lever safety valve and gauge glass

Model of a single furnace marine boiler with return tubes

Rectangular steel boiler door, with maker's cast roundel in centre, part of a boiler made by Babcock and Wilcox Ltd, London and Glasgow, 1931

Jompy boiler device, comprising aluminium alloy coil and plastic handle, by Celsius Solar, Troon, c.2010

Low pressure boiler pipe, one of a collection of four spare pipes for use at Cockenzie Power Station

Low pressure boiler pipe, one of a collection of four spare pipes for use at Cockenzie Power Station