Most of the earlier quantitative work with coherers seemed to indicate that the coherer was uncertain or indefinite in its action. Some of the more recent work has, however, shown more definite and consistent results.
Proceedings of the Iowa Academy of Sciences
©1902 Iowa Academy of Science, Inc.
Almy, Frank F.
"Some Observations upon the Action of Coherers When Subjected to Direct Electromotive Force,"
Proceedings of the Iowa Academy of Science, 10(1), 49-53.
Available at: https://scholarworks.uni.edu/pias/vol10/iss1/10