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Part 2

History of Electric Light · Henry Schroeder — chapter 2 of 20 · ~167 words · public domain

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De Moleyns’ Incandescent Lamp 13

Early Developments of the Arc Lamp 14

Joule’s Law 16

Starr’s Incandescent Lamp 17

Other Early Incandescent Lamps 19

Further Arc Lamp Developments 20

Development of the Dynamo, 1840–1860 24

The First Commercial Installation of an Electric Light 25

Further Dynamo Developments 27

Russian Incandescent Lamp Inventors 30

The Jablochkoff “Candle” 31

Commercial Introduction of the Differentially Controlled Arc Lamp 33

Arc Lighting in the United States 33

Other American Arc Light Systems 40

“Sub-Dividing the Electric Light” 42

Edison’s Invention of a Practical Incandescent Lamp 43

Edison’s Three-Wire System 53

Development of the Alternating Current Constant Potential System 54

Incandescent Lamp Developments, 1884–1894 56

The Edison “Municipal” Street Lighting System 62

The Shunt Box System for Series Incandescent Lamps 64

The Enclosed Arc Lamp 65

The Flame Arc Lamp 67

The Constant Current Transformer for Series Circuits 69

Enclosed Series Alternating Current Arc Lamps 69

Series Incandescent Lamps on Constant Current Transformers 70

The Nernst Lamp 71

The Cooper-Hewitt Lamp 72

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