A tinned 12-bolt diving helmet by Siebe Gorman & Co, London with matching serial numbers to hat and corselet. Oval side windows with guards and front circular window with lashing eyes above and spitcock to the lower right. Rear air inlet, telephone, outlet with cog, side hooks and hanging posts to the front. 



    Siebe Gorman 12 bolt tin on diving helmet

    SKU: 2644