Gray, Andrew . <br/><br/>
The Theory and Practice of Absolute Measurements in Electricity and Magnetism /  Textual Documents 
Andrew Gray. 
 - 1st ed. / 
 - New York :  Macmillan and co ,  1893. 
 - 868p. ;  18cm. 
<br/><br/><label>Subjects--Index Terms: </label>Electricity and Magnetism G-Physics 
<br/><br/><label>Dewey Class. No.: </label>537  / G 79 Ab