Show on the oven door an oven indicator ind Is a ar ran gement that IRS into the oven door the spring expands or loosens according to the amount of at beat in the oven and in turn moves the hand on its face the face looks like that of a clock having numbers on it which range from one to twelve and the moment the hand band moves the housewife can tell whether the oven is too hot or too cold thus obviating the necessity of at opening the oven door to obtain this information and thereby cooling the oven it also warns of too great heat which means a waste 0 of coal or gas As the indicator dictates so BO the drafts in a coal stove are adjusted or the gas in a gas stove turned up or down to increase or diminish t the a beat ea as may be 0 required re |