A brass 12-bolt diving helmet by Siebe Gorman & Co, London, worn makers plate to the front, 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 and telephone, outlet valve with cog, side hooks and hanging posts to the front.



    Siebe Gorman 12 bolt diving helmet

    SKU: 2642