132 KENNELLY AND VELANDER— POTENTIOMETER 



11. A. E. Kennelly. The Application of Hyperbolic Functions to Electrical 



Engineering Problems, 1912, Appendix E, p. 222. 

 iia. A. E. Kennelly. Artificial Electric Lines, 1917. 



12. Standarization Rules, American Institute of Electric Engineers, 1916, 



Section 916. 



13. A. E. Hanson. The Design and Construction of an Alternating-Current 



Potentiometer, Sept., 1918. A thesis towards the degree of M.S. in 

 electrical engineering at the Mass. Inst. Tech. 



14. A. E. Kennelly and Edy Velander. A Rectangular-Component Two- 



Dimensional A.-C. Potentiometer. Journal of the Franklin Insti- 

 tute, July, 1919. 



