Note 120 — Chapter XI
Reading edition
An apparatus exists by means of which a very sensitive arrow, in dependence on the tension of a muscle of the arm, will indicate the physiological action of music on the nerves and muscles.—L. T.
Reading edition
An apparatus exists by means of which a very sensitive arrow, in dependence on the tension of a muscle of the arm, will indicate the physiological action of music on the nerves and muscles.—L. T.