"New World" H16 gas cooker by Radiation Ltd., early example of first type of cooker to contain the Regulo oven thermostat to produce accurate cooking times, with bottom-flued lagged oven, double grill, four Rad o burners, most efficient cooker of inter-war period, 1923-1925 "New World" H16 gas cooker by Radiation Ltd. 1923-1925