IVE RECEIVING SETS
Intermediate Wave Receiving Sets--Intermediate Wave Set With Loading Coils--The Parts and How to Connect Them Up--An Intermediate Wave Set with Variocoupler Inductance Coils--The Parts and How to Connect Them Up--A Long Wave Receiving Set--The Parts and How to Connect Them Up.
XIII. HETERODYNE OR BEAT LONG WAVE TELEGRAPH RECEIVING SET
What the Heterodyne or Beat Method Is--The Autodyne or Self-heterodyne Long Wave Receiving Set--The Parts and Connections of an Autodyne or Self-heterodyne, Receiving Set--The Separate Heterodyne Long Wave Receiving Set--The Parts and Connections of a Separate Heterodyne Long Wave Receiving Set.
XIV. HEADPHONES AND LOUD SPEAKERS
Wireless Headphones--How a Bell Telephone Receiver is Made--How a Wireless Headphone is Made--About Resistance, Turns of Wire and Sensitivity of Headphones--The Impedance of Headphones--How the Headphones Work--About Loud Speakers--The Simplest Type of Loud Speaker--Another Simple Kind of Loud Speaker--A Third Kind of Si
Its a very good book but a pity it lacks the illustrations