Goode's Single radio tube electro-titration set up was modified so as to give greater sensitivity. In place of the galvanometer a microammeter reading to 750 microamperes is used in the circuit.
Proceedings of the Iowa Academy of Science
©1926 Iowa Academy of Science, Inc.
Popoff, Stephen and Hildebrand, J.
"A Continuous Reading Electro-Titration Apparatus,"
Proceedings of the Iowa Academy of Science, 33(1), 172-172.
Available at: https://scholarworks.uni.edu/pias/vol33/iss1/27