Damped and Sustained Mechanical Vibrations--Damped and Sustained
Oscillations--About Mechanical Tuning--About Electric Tuning.

VIII. A SIMPLE VACUUM TUBE DETECTOR RECEIVING SET

Assembled Vacuum Tube Receiving Set--A Simple Vacuum Tube Receiving
Set--The Vacuum Tube Detector--Three Electrode Vacuum Tube
Detector--The Dry Cell and Storage Batteries--The Filament
Rheostat--Assembling the Parts--Connecting Up the Parts--Adjusting the
Vacuum Tube Detector Receiving Set.

IX. VACUUM TUBE AMPLIFIER RECEIVING SETS

A Grid Leak Amplifier Receiving Set. With Crystal Detector--The Fixed
Resistance Unit, or Grid Leak--Assembling the Parts for a Crystal
Detector Set--Connecting up the Parts for a Crystal Detector--A Grid
Leak Amplifying Receiving Set With Vacuum Tube Detector--A Radio
Frequency Transformer Amplifying Receiving Set--An Audio Frequency
Transformer Amplifying Receiving Set--A Six Step Amplifier Receiving
Set with a Loop Aerial--How to Prevent Howling.

X. REGENERATIVE AMPLIFICATION RECEIVING SETS

The Simplest Type of Regenerative Receiving Set--With Loose Coupled
Tuning Coil--Connecting Up the Parts--An Efficient Regenerative
Receiving Set. With Three Coil Loose Coupler--The A Battery
Potentiometer--The Parts and How to Connect Them Up--A Regenerative
Audio Frequency Amplifier--The Parts and How to Connect Them Up.