RLE Progress Report, No. 018 (1950)

Air Navigation ?

Chu, L. J.; Adler, Richard B.; Mason, Samuel J.; Fricker, S. J. (Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1950-07-15)
Communication Research ?

Skinner, F. L.; Dolansky, L.; Singleton, H. E.; Arguimbau, Lawrence B.; Kraft, L. G., Jr.; e.a. (Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1950-07-15)
Tube Research and Development ?

Coleman, P. D.; Zeoli, G. W.; Rosebury, F.; Krusemeijer, H. J.; Harris, L. A.; e.a. (Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1950-07-15)