The Waterhouse Instantaneous Regulator

1888 Scientific American  
A device in which the turning on and shutting off of gas flowing to a burner is effected by the heating action of an electrical current, and in which the gas will be ignited by an incandescent wire, is illustrated here· with, and has been patented by Mr. George L. Hogan.
doi:10.1038/scientificamerican09291888-198a fatcat:jxuri44dzjcrdahiczwticmcla