Practical Electrics.
Electric Batteries, How to Make Them, by P. Marshall.
WIRELESS TELEGRAPHY
A History of Wireless Telegraphy, by J. J. Fahie.
Improvements in Magnetic Space Telegraphy, Telegraphing by Magnetic Induction, and Aetheric Telegraphy, by Sir W. H. Preece, S. Evershed, and Oliver Lodge.
Science Abstracts, Physics and Electrical Engineering.
The Model Engineer and Amateur Electrician.
Queen Instruments
Induction Coils capable of producing thick, heavy sparks from 60" to ¼" in length. Made in 15 different styles for either direct or alternating currents of any voltage.