St. John, Thomas M.  1865- <br/><br/>
How Two Boys Made Their Own Electrical Apparatus :  Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity  [electronic resource] / 
Thomas M. St. John 
 -  Project Gutenberg,  2009 
 - Project Gutenberg  28335 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Electric apparatus and appliances 
<br/><br/><label>LC Class. No.: </label>QC