Abstract :
To the Board of Directors: The Committee on Mines has very little to report this year. There has been but one session held, at which papers pertaining to mine electrification were presented namely, at the Birmingham Meeting. At this meeting a partial mining session was held, and three papers´ were presented on mining subjects. One of these was by L. C. Ilsley, Electrical Engineer of the Bureau of Mines, and was entitled, “Electrical Safety in Coal Mines.” C. E. H. Von Sothen of the Industrial Engineering Department of the General Electric Company presented a paper on, “Automatic Sub-Stations for Mines;” and F. R. Grant and the writer presented a paper on “Tests on Mine Hoist Control,” describing the operation of a large Ward Leonard hoisting equipment. Mr. Grant is also of the Industrial Engineering Department.