Example of the first "Gunfire" gas controller for street lamps, giving quick action Example of the first "Gunfire" gas controller for street lamps patented 1908
Example of Gunning's first gas controller for street lamps, switching "on" and "off", patented 1899 Example of Gunning's first gas controller for street lamps 1899
Example of first Horstmann double-train gas controller for street lights, of about 1904, giving quick action, and fitted with solar dial, with winding key and dust cover Example of first Horstmann double-train gas controller for street lights circa 1904
Example of Gunning's pioneer gas controller for street lamps, turning 'off' only, with cover, by the British, Foreign and Colonial Automatic Light Controlling Company Limited, Bournemouth, England, c. 1897. Gunning's pioneer gas controller for street lamps 1897