- Acknowledgments
- Foreword
- Introduction
Part 1: Development of Components
- Chapter 1. Early Developments and the Bell Patent
- Chapter 2. Transmitters
- Berliner's and Edison's Patent Claims
- Blake's Single Contact Transmitter
- Hunnings' Carbon Transmitter
- White's Solid Back Transmitter
- Non-Positional Transmitters
- Electrical Properties of Transmitters
- Chapter 3. Receivers
- Bell's Induction Telephone
- Commercial Receivers
- Electrical Properties of Receivers
- Chapter 4. Induction Coils
- Functions of a Telephone Coil
- Early Applications of a Telephone Coil
- Commercial Induction Coils
- Chapter 5. Magnetos
- Watson's Patent of 1878
- Siemens' Magneto of 1856
- Electrical Properties and the Shunt
- Chapter 6. Ringers
- Watson's Polarized Ringer
- Carty's Bridging Ringer
- Harmonic Ringers
- Biased Ringers
- Variations in Electro-Mechanical Design
- Electrical Properties of Ringers
- Chapter 7. Switches and Dials
- Hookswitch
- Automatic Switching (Dialing)
- Rotary Telephone Dials
- Touch-tone Dialing
Part 2: Telephone Instruments
- Chapter 8. Early Commercial Telephones
- Box Telephone of 1877
- Williams' Coffin Telephone
- 2-Box and 3-Box Wall Phones
- Desk Stands
- Compact Wall Phones
- Fiddleback Wall Phones
- Chapter 9. Single-box Magneto Wall Phones
- Western Electric Magneto Wall Phones
- Stromberg Carlson Magneto Wall Phones
- Kellogg Magneto Wall Phones
- American Electric Magneto Wall Phones
- Chapter 10. Candlestick Desk Stands
- Western Electric Candlestick Desk Stands
- Stromberg Carlson Candlestick Desk Stands
- Kellogg Candlestick Desk Stands
- Automatic Electric Candlestick Desk Stands
- Chapter 11. Handset Desk Stands
- Western Electric Handset Desk Stands
- Kellogg Handset Desk Stands
- Automatic Electric Handset Desk Stands
- Stromberg-Carlson Handset Desk Stands
- Space Savers
- Chapter 12. Ringer Boxes, Subsets, and Compact Wall Phones
- Local-Battery Ringer Boxes
- Common-Battery Subsets
- Compact Wall Phones
- Western Electric's Specialty Phone
- Chapter 13. Combined Telephones of the 1930s and 1940s
- Western Electric Desk Telephone
- Western Electric Wall Phone
- Automatic Electric Combined Telephones
- Kellogg Combined Telephones
- Stromberg Carlson Combined Telephones
- Chapter 14. Standard Rotary Dial and Touchtone Telephones
- Western Electric 500-Type Telephones
- Industry Standardization
- 500-Type Look-Alikes
- Standard Touch-tone Telephones
- Princess-type Telephones
- Trimline-type Telephones
- End of an Era
Part 3: Electrical Circuits
- Chapter 15. The Standard Local-battery Circuit
- Principles of the Standard Local-battery Circuit
- Examples of the Standard Local-battery Circuit
- Local-battery Talking with Common-battery Signaling
- Chapter 16. Early Common-battery Circuits
- Central-office Circuits
- Principles of the Western Electric Booster Circuit
- Examples of the Western Electric Booster Circuit
- Other Early Common-battery Circuits
- Chapter 17. Common-battery, Anti-sidetone Circuits
- Principles of the Western Electric Anti-sidetone Circuit
- Examples of the Western Electric Anti-sidetone Circuit
- Principles of Kellogg's Anti-sidetone Triad Circuit
- Examples of Kellogg's Anti-sidetone Triad Circuit
- Stromberg Carlson Anti-sidetone Circuit
- Automatic Electric Anti-sidetone Circuits
- Chapter 18. Local-battery, Anti-sidetone Circuits
- Principles of the Local-battery, Bridge-type, Anti-sidetone Circuit
- Examples of the Local-battery, Bridge-type, Anti-sidetone Circuit
- Principles of Automatic Electric's Isolation Circuit
- Examples of Automatic Electric's Isolation Circuit
- Modified Common-battery Circuits
- Chapter 19. Network Circuits
- Principles of the Early Western Electric Network Circuit
- Examples of the Early Western Electric Network Circuit
- The Standard Network Circuit with Varistors
- Rotary Dial Telephones with the Standard Network Circuit
- Touchtone Dials
- Touchtone Telephones with the Standard Network Circuit
- Trimline-type Variations of the Standard Network Circuit
- Automatic Electric Variations of the Standard Network Circuit
Part Four: Restoration and Repair
- Chapter 20. Mechanical Restoration
- Replacement Parts
- Disassembly
- Mechanical Repairs
- Restoration of Cabinets and Housings
- Chapter 21. Tests and Measurements
- Test Instruments
- Component Testing
- Chapter 22. Electrical Repair and Modification
- Electrical Repairs
- Modification of Local-battery Phones
- Modification of Common-battery Phones
- Construction of Private Lines
- Federal Regulations and Industry Standards
Appendix: Fundamentals and Conventions
- Conventions
- Measuring Voltage and Current
- Resistor
- Condenser
- Coil
- Varistor
- Transformer
- Matching Impedances
- Adding Voltages
- Wheatstone Bridge
- Magnetism
- Sound