Abstract :
The Joint Committee on Inductive Interference, authorized by the Railroad Commission of the State of Californiato make investigations into inductive disturbances in telephone and telegraph circuits, as a basis for future regulations of the commission, has issued a second progress report, covering the work done up to December 16, 1913, on the study of two parallels (20 miles and 8 miles) of high-tension three-phase transmission lines and telegraph and telephone circuits in California. Some of the general results and conclusions indicated by a study of the engineers´ reports are given. Until such time as the Joint Committee is prepared to make definite recommendations to the Railroad Commission it will indicate only in a general way the results of its investigation.
