Charles Cammell and Co. Ltd. 10 and a half inch nickel steel [armour plate], tested at Portsmouth [Hampshire]

Charles Cammell and Co. Ltd. 10 and a half inch nickel steel [armour plate], tested at Portsmouth [Hampshire]

Charles Cammell and Co. Ltd. 6 inch harveyed nickel steel armour plate, tested at Portsmouth [Hampshire]

Charles Cammell and Co. Ltd. Cammel's first 6 inch krupped plate, tested at Portsmouth [Hampshire]

Charles Cammell and Co. Ltd. 4 inch Cammel's 'K.N.C.' armour plate (unbacked), tested at Portsmouth [Hampshire]

Charles Cammell and Co. Ltd. 11.66 inches Cammel krupped armour plate, tested at Shoeburyness [Essex]

Charles Cammell and Co. Ltd., Cyclops Works, Savile Street. Group of forged steel and and cast steel projectiles

Charles Cammell and Co. Ltd., Cyclops Works, Savile Street. Group of air vessels in various stages of manufacture

Charles Cammell and Co. Ltd., Cyclops Works, Savile Street. Conning tower armour, with roof and raising gear etc. for the Royal Spanish Cruiser 'infanta Maria Teresa'

Charles Cammell and Co. Ltd., Cyclops Works, Savile Street. Casemate for the protection of 6 inch guns on HMS Magnificent, constructed of Cammell Harveyed steel armour