=Electricity, Its Theory, Sources and Applications=, by JOHN T. SPRAGUE. 3rd edition.
=Induction Coils and Coil Making=, by F. C. ALLSOP.
=The Construction of Large Induction Coils=, a Workshop Handbook, by A. THARE. Illustrated.
=A Manual of Electricity=, by H. M. NOAD, Ph.D. London, 1859. (_Scarce._)
=Electricity and Magnetism=, by PROF. SILVANUS P. THOMPSON.
=Small Accumulators and How to Make Them=, by P. MARSHALL.
=Electric Batteries, How to Make Them=, by P. MARSHALL.
=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.=
_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.
_X Ray Tubes_ which have an automatic vacuum regulating device by means of which rays of penetrating power can be obtained. Our tubes have large, clear bulbs with a great current capacity and sharp definition.
_Fluoroscopes_ of Platino Barium Cyanide or Calcium Tungstate with removable screens. Permanent and brilliant.
_Accessories_—such as Tube Stands, Independent Vibrators, Wehnelt Interrupters, Localization Apparatus, Protecting Screens, Radiographic Table, X Ray Plates, Storage Batteries, Motor Transformers, Archives of the Roentgen Ray—everything to make X Ray Work simple and successful.
Electrical Testing Instruments, Meters, Photometric Apparatus
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