CONTENTS 
CHAPTER I. 
PAGE 
THE CHARACTERISTICS OF INDUCED CURRENTS i 
Introductory i 
Historical 2 
Structure of the Inductorium 3 
Principle of the Inductorium 4 
The Form of Make and Break Induced Currents 8 
CHAPTER II. 
FACTORS WHICH AFFECT THE STRENGTHS OF FARADIC STIMULI 12 
Sources of Variation 13 
Methods Previously Proposed 14 
Pfluger 14 
Meyer-Fick 15 
Kronecker 16 
v. Fleischl 18 
Wertheim-Salomonson 18 
Edelmann 20 
Hoorweg-Giltay 21 
CHAPTER III. 
A SUMMARY OF PROCEDURE 23 
Instruments Required for the Calibration 23 
Ammeter and Shunt 24 
Stimulating Electrodes 27 
Procedure 28 
v 
