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A Research Machine

A Research Machine

Chapter:
(p.55) Three A Research Machine
Source:
The Helmholtz Curves
Author(s):
Henning Schmidgen
Publisher:
Fordham University Press
DOI:10.5422/fordham/9780823261949.003.0004

This chapter reconstructs the electromagnetic timing device Helmholtz had used in the first series of this experiments. Combining a mirror galvanometer, a telescope and a frame for nerve-muscle samples from the frog, his research machine allowed for reading off numerical values concerning muscle movements that, by means of complicated calculations, were transformed into time measurements. Helmholtz wife, Olga, was assisting Helmholtz in conducting the measurements and recording the results.

Keywords:   Hermann von Helmholtz, Olga von Helmholtz, Time Experiments, Galvanometer, Precision

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