Poole, Henry E. <br/><br/>
Switching and switchgear:  an introductory treatment.../ 
Henry E. Poole 
 - London:  Sir ISAAC Pitman,  1922 
 - ix, 118 p.:  ill.;  16 cm. 
 - Pitman's technical primers .
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 115 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Switching circuits<br/>Switching theory<br/>Electric switchgear
<br/><br/><label>Dewey Class. No.: </label>621.3173