A modification of the apparatus previously described by Van Allen has been designed and used for measurements on zinc and lead crystals.
Proceedings of the Iowa Academy of Science
© Copyright 1939 by the Iowa Academy of Science, Inc.
Tyndall, E. P. T.
"Measurement of Young's Modulus with Small Stress,"
Proceedings of the Iowa Academy of Science: Vol. 46:
, Article 89.
Available at: https://scholarworks.uni.edu/pias/vol46/iss1/89