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Questions and Suggestions (How long does it take to get)

1. How long does it take to get the oven of the coal range hot enough to bake bread? Keep account of the time from the moment you start to build the fire until the oven has reached the right temperature. 2. What would the kindling and coal cost to heat the oven and keep it at that temperature one hour or long enough to bake bread? 3. Try both experiments with the gas range or the kerosene stove. If turned on full, the gas oven will use about forty feet of gas per hour. 4. Make a list of prices of coal in your locality. 5. Is hard or soft coal used more generally? Why?