CORRECTION FOR ISSUE OF JANUARY, 1946 



Page 35: Footnote, 5 "The Magnetron as a Generator of Centimeter 

 Waves," J. B. Fisk, H. G. Hagstrum, and P. L. Hartman, 

 B. S. T. J., Januar}^ 1946. 



should read, 5 "The Magnetron as a Generator of Centimeter 

 Waves," J. B. Fisk, H. G. Hagstrum, and P. L. Hartman, to 

 appear in B. S. T. J., April, 1946. 



