Unless otherwise noted, all images and content are copyright John D. Jenkins. Use without the written permission of the owner is forbidden.

CONTENTS

Introduction

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Collection

 The Dawn of the Electrical Age

Spark Machines
Electroscopes
Leyden Jars
Electrostatic Devices
Volta Piles, etc.

 

Electricity
Sparks Invention

Perpetual Motion
The Electromagnet
Early Electric Motors
Induction Coils
Magneto-Electric Machines
Telegraphy

Telephony
Electric Lighting
Other Apparatus
Crookes & Geissler Tubes
Galvanometers
Quack Medical

Electric
Lighting & Power

Early History
1880's & Experimental Lamps
Evolution of the Lamp Stem
Lamp bases of the 1890's
Other Early Electric Lamps
Plugs and Sockets
Dynamos and Alternators
Meters and Transformers

The Wireless Age

  Marconi Wireless
  Early Transmitters
  
Early Receivers
  
Wireless Telephone
  
Detectors
  
Spark Coils
  
Spark Gaps
  
Meters
  
Spark keys
  
Loose Couplers
  
Misc. Wireless


Rare Books

Early Tube sets
  RCA sets
  
Deforest sets
  
British sets
  
French sets
  
Others 
  Theremin


Atwater Kent Breadboards


Misc. Battery Sets


A.C. Receivers


Horn Loudspeakers


Cone Loudspeakers


Vacuum Tubes


An Early Radio Pioneer


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