Example of modern "Gunfire" gas controller for street lamps, giving gradual action Example of modern "Gunfire" gas controller for street lamps
Example of modern "Gunfire" gas controller for street lamps, giving quick action Example of modern "Gunfire" gas controller for street lamps
Example of the "London no.2" gas-controller (no.40592), with part of the casing of the movement fitted with transparent windows for exhibition purposes (with one winding key) Example of the "London no.2" gas-controller (no.40592)
