Verry, H R  <br/><br/>
Document copying and reproduction processes 

 - London:   Fountain Press,   1960 
 - 328p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography
<br/><br/><label>Subjects--Index Terms: </label>Photostat 
<br/><br/><label>Universal Decimal Class. No.: </label>778.1:002  / K0