Some 30 miles northwest of Chicago is a model farm. It is operated wholly by electricity. Cows are curried with vacuum cleaners, milked with suction machinery. Automatic clocks flash strong lights on roosting hens in the evening and before dawn to arouse them to the possibility of laying extra eggs. Feed is ground and mixed by electrical machinery. Humming motors run corn-husking devices. Electric clocks dump pecks of oats into feed bins at 5 a. m. Electricity warms incubators where motors revolve the eggs periodically. Chicks are...
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