1 photograph Photo entitled 'Remains of 'Brompton Boilers' (i.e. the original South Kensington Museum of 1851) Sir William Abney's laboratories above'
1 photograph Photo entitled 'Museum of Science and Art in course of construction on the Kensington Gore Estate'
1 photograph Photo of a set of 7 Exchequer standard avoirdupois bronze weights and a electrotype copy of a set of 13 Troy weights
1 photograph Photo of a "Gem" calculating machine, Troncet's arithmograph and a "Bri-cal" adding machine