 8–10 atmospheres), but blew open the joints of the machine, forcing him to solder the joints with spelter.Another was built to control the water supply at Hampton Court, while another at Campden House in Kensington operated for 18 years.A few Savery engines were tried in mines, an unsuccessful attempt being made to use one to clear water from a pool called Broad Waters in Wednesbury (then in Staffordshire) and nearby coal mines.