Useful Numerical Constants of Speech and Hearing
01 July 1925
The material given in this paper was prepared in a more condensed form for publication in the International Critical Tables. In order to make it available in convenient form for the use of telephone engineers it was deemed advisable to publish it in this journal. The author is indebted to Dr. J. C. Steinberg for able assistance in collecting and arranging the material. I. BIBLIOGRAPHY Discrimination, Intensity A 1923.