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Building work during the vaults redevelopment
Building work during the vaults redevelopment
Seed drill by Blanchard
Seed drill by Blanchard
Chaff-cutter by J Edgill
Chaff-cutter by J Edgill
Needle grinding safety device
Needle grinding safety device
Staghold's gun-harpoon, awarded a prize in 1772
Staghold's gun-harpoon, awarded a prize in 1772
Coal mine ventilation drawn by Cornelius Varley 1816
Coal mine ventilation drawn by Cornelius Varley 1816
Fire escape
Fire escape
Fire escape by John Davis 1810
Fire escape by John Davis 1810
Respirator by John Roberts 1825
Respirator by John Roberts 1825
Lifeboat
Lifeboat
Diving suit
Diving suit
Pullies and block with reduced friction by Lieutenant M Shuldham
Pullies and block with reduced friction by Lieutenant M Shuldham
Dixon's contrivance for preventing accidents in wheel cranes
Dixon's contrivance for preventing accidents in wheel cranes
Bell's improved gun and harpoon
Bell's improved gun and harpoon
Road harrow invented by John Harriott
Road harrow invented by John Harriott
Steam engine for rice mill in Ceylon
Steam engine for rice mill in Ceylon
Man holding measuring device
Man holding measuring device
Drawing of part of domed building
Drawing of part of domed building
Food holder for people deprived of the use of an arm or hand
Food holder for people deprived of the use of an arm or hand
Measuring device
Measuring device