Bell System Technical Journal, v18: i1 January 1939
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Table of Contents
| Page(s) | Article Title | Author(s) |
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| 1-31 | Electrostatic Electron-Optics | Gray, Frank |
| 32-48 | Equivalent Modulator Circuits | Peterson, E.; Hussey, L.W. |
| 49-75 | An Improved Three-Channel Carrier Telephone System | O'Leary, J.T.; Blessing, E.C.; Beyer, J.W. |
| 76-118 | Crossbar Dial Telephone Switching System | Scudder, F.J.; Reynolds, J.N. |
| 119-142 | A Twelve-Channel Carrier Telephone System for Open-Wire Lines | Kendall, B.W.; Affel, H.A. |
| 143-189 | Recent Developments in the Measurement of Telegraph Transmission | Shanck, R.B.; Cowan, F.A.; Cory, S.I. |
| 190-217 | Contemporary Advances in Physics, XXXII, Particles of the Cosmic Rays | Darrow, Karl K. |
| 218-221 | Hurricane and Flood - September 1938 | Harrison, W.H. |
| 222-234 | A Terrain Clearance Indicator | Espenschied, Lloyd; Newhouse, R.C. |
| 235-245 | Transcontinental Telephone Lines | Pilliod, J.J. |
| 246-250 | Abstracts of Technical Articles from Bell System Sources | |
| 251-254 | Contributors to this Issue | |
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