Howad H.Gerrish <br/><br/>
Electricity  /Howad H.Gerrish 

 - new york  The Goodheart - Willcox co., Inc.  1968 
 - 112 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity<br/>Power
<br/><br/><label>Dewey Class. No.: </label>537.6   / G E