BELL SYSTEM TECHNICAL JOURNAL 



Operational Calculus, Heaviside, John R. Carson, Vol. I, No. 2, page 43. 

 Oscillations, Transient, in Electric Wave-Filters, /. R. Carson and 0. J. Zohel, 



Vol. II, No. 3, page 1. 

 Oscillograph, A Low Voltage Cathode Ray, J . B. Johnson, Vol. I, No. 2, page 



142. 



Permalloy, A New Magnetic Alaterial of Very High Magnetic Permeability, H. 

 D. Arnold and G. W. Elmen, Vol. II, No. 3, page, 101. 



Peterson System of Grounding Power Networks, the Relation to Inductive Ef- 

 fects in Neighboring Communication Circuits, H. M. Trueblood, Vol. I, 

 No. 1, page 39. 



Philadelphia-Pittsburgh Section of the New York-Chicago Cable, /. /. Pilliod, 

 Vol. I, No. 1, page 60. 



Physical Characteristics of Audition and Dynamical Analysis of the External 

 Ear, R. L. Wegel, Vol. I, No. 2, page 56. 



Physical Measurements of Audition and Their Bearing on the Theory of Hear- 

 ing, Harvey Fletcher, Vol. II, No. 4, page 145. 



Pilliod, J. J., Philadelphia-Pittsburgh Section of the New York-Chicago Cable, 

 Vol. I, No. 1, page 60. 



Poisson's Exponential Summation, Probability Curves Showing, G. A. Campbell, 

 Vol. II, No. 1, page 95. 



Power Losses in Insulating Materials, E. T. Hoch, Vol. I. No. 2, page 110. 



Probabilities Applied to Telephone Trunking Problems, The Theory of, Edzvard 

 C. Molina, Vol. I, No. 2, page 69. 



Probability Curves Showing Poisson's Exponential Summation, G. A. Campbell, 

 Vol. II, No. 1, page 95. 



Public Address System, Use of. The Telephone Lines, W. H. Martin and A. B. 

 Clark, Vol. II, No. 2, page 143. 



PubHc Address Systems, /. W. Green, and /. P. Max field, Vol. II, No. 2, page 113. 



Radio Extension of the Telephone System to Ships at Sea, H. W. Nichols and 

 Lloyd Espenschied, Vol. II, No. 3, page 141. 



Radio Telephony, Transatlantic, H. D. Arnold and Lloyd Espenschied, Vol. II, 

 No. 4, page 116. 



Rental Values, Distribution of, W. C. Helmle, Vol. I, No. 2, page 82. 



Rents and Incomes and the Distribution of Rental Values, The Relation Be- 

 tween, W. C. Hchnlc, Vol. I, No. 2, page 82. 



Rose, Arthur P., Practical Application of Telephone and Telegraph in the Bell 

 System, Vol. II, No. 2, page 41. 



Schumacher, E. E., Measurements of the Gases Evolved from Glasses of Known 



Chemical Composition, Vol. II, No. 1, page 122. 

 Sleet Storm Map, Bell System, /. A^. Kirk, Vol. II, No. 1, page 114. 



