Electrical Instruments and Testing. E-book. Formato PDF Norman H. Schneider   -  Forgotten Books, 2017  - 

This book is intended for practical use and also as an introduction to the larger works on Electrical Testing.

Wiring Houses for the Electric Light: Together With Special References to Low Voltage Battery Systems. E-book. Formato PDF Norman H. Schneider   -  Forgotten Books, 2017  - 

The socket consists of a Shell having insulated contacts of brass, into which the lamp screws and makes connection between its base and the con tacts in the socket. The wires having been attached to this socket convey the current through these contacts to the filament in the lamp and the filament becomes white hot, giving the desired illumination.'