Wright, Lewis . <br/><br/>
Optical Projections /  Textual Documents 
Lewis Wright. 
 - 5th ed. / 
 - London :  Longmans Green & Co ,  1920. 
 - 87p. :  ill ;  18cm . 
 - Part I- 
<br/><br/><label>Subjects--Index Terms: </label>Optical Projections Optical Physics G-Physics 
<br/><br/><label>Dewey Class. No.: </label>535  / W 933 Op