Hay Box Cooking Demonstration at the Food Saving Exhibition, Institute of Hygiene (which opened on 28th January 1918). A haybox, straw box, fireless cooker, insulation cooker, wonder oven or retained-heat cooker is a cooker that utilises the heat of the food being cooked to complete the cooking process. Food items to be cooked are heated to boiling point, and then insulated. Date: 1918

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達志影像

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