POWER ON THE FARM 403 



27. Give the advantages of electric lights over kerosene lamps in 

 the dairy; in the barn; in the farm home. 



28. Tell what you can of the uses of water power on farms, with 

 examples, if possible. 



29. Describe the advantages and use of a hydraulic ram. 



30. Tell what you can of the work of windmills. 



31. Tell what you can of some unusual uses of animal power on 

 the farm. 



References. U. S. Farmers' Bulletins: 813, Farm Wiers; 866 

 Windmills for Irrigation; 996, Steam Sterilization; 719, 963, 1004, 

 1013, 1035, Gas Tractor; 1023, Cutting Firewood; 1032, A Motor 

 Truck Route; 1045, Laying Out Fields for Tractor Plowing; 946, 947, 

 1036, Care and Repair of Farm Implements; 943, 956, 987, 1009, 1049, 

 On Hay Machinery; 991, Threshing Machines; 992, Corn Cutting 

 Machinery; 941, Water Systems for Farm Homes. 



