Volume 2, Issue 6, June 1931
Index of content:
2(1931); http://dx.doi.org/10.1063/1.1748796View Description Hide Description
2(1931); http://dx.doi.org/10.1063/1.1748798View Description Hide Description
A concave ultrasonic diffractiongrating and mounting have been used to measure ultrasonic wave lengths between one and three milliameters. An oscillatingquartz crystal serves as generator and receiver of the waves. The results are compared with those obtained by the Pierce interferometer and found to agree quite well.
2(1931); http://dx.doi.org/10.1063/1.1748802View Description Hide Description