Key points are not available for this paper at this time.
A modification of Soller's balanced circuit for use of a single FP-54 tube has been found which gives improved stability of balance and the possibility of use with galvanometers of high resistance. The theory of the circuit and detailed directions for calculating, setting up, and balancing it are given.
Turner et al. (1933) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: