Johns, R.V.. <br/><br/>
Graded and Everyday Examples in Physics /  Textual Documents 
R.V.Johns, W.F.Ware & A.I.Rees. 
 - 1st ed. / 
 - New York :  Macmillan and co ,  1949. 
 - 179p. :  ill ;  18cm . 
<br/><br/><label>Subjects--Index Terms: </label>Physics G-Physics 
<br/><br/><label>Dewey Class. No.: </label>531  / J 613 G