Chicago : [Popular Engineering Pub. Co.] · leaf 340
mote, when our ab- doing things will revert to the old original ancestors first secured the methods. blessing of fire by rubbing together In the first place, wherever fire is em- two sticks, the idea has been bred into ployed in the house for culinary purposes the human race that fire is a domestic… … ity may gain a fair idea of the great HEATING UNITS FOR ELECTRIC UTENSILS. progress which has been made in the have resulted and always will result development of these devices, even in through carelessness or accident. With the short time that they have been before electricity there is absolutely…
Electricity
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