The 'Proto' self-contained breathing apparatus was manufactured by the Siebe Gorman Company c.1914-1972. It was used by mines rescue services across the country, including the Hednesford Central ...

I inherited this diving helmet from my grandfather. It was made for admiralty during WW1 by Siebe Gorman, submarine engineers. It is made of copper and brass and would have been used with a two ...

The 'Proto' self-contained breathing apparatus was manufactured by the Siebe Gorman Company c.1914-1972. It was used by mines rescue services across the country, including the Hednesford Central ...