Siebe Gorman circa 1878 firemens' helmet/mask and bellow. Siebe Gorman are famous for their historic diving equipment and breathing apparatus, and this foot operated bellow air compressor was originally used to supply breathing air to the fire breathing mask, this is a rare pair of items, with much historic interest and could be yours for £700 - prices for compete set including connecting hose reach over £1500 - see https://www.liveauctioneers.com/item/52847289_siebe-gorman-and-co-ltd-smoke-helmet-and-bellows