A 6 bolt Divers Helmet,
probably by Siebe Gorman, London. Numbered 14485 on the faceplate. The bonnet with screw faceplate and two barred side windows, fitted with air inlet and exhaust valves, telephone socket, locking pin and manual spitcock and rope hooks. The interior with microphone and chin switch. The corselet with weight nipples front and back, maker's plate missing. The interior of bonnet and corselet are tinned. 18in (46cm)high.