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Economical Rotation of Railroad Snow Guard Plantation of Picea Excelsa, Ik.,
Attracting birds into snow guard plantation for protecting latter from insects
Regenerative braking by using compound-wound motors
Performances of electric railways in kansai district
Joetsu line of government railways completed
Some features of Fuji Sanroku electric railway company's line
Noise of D.C. substations for electric railways
Experiments on the leakage current of the railway track
Automatic control of electric railway substations