Hammond, John H. <br/><br/>
The camera obscura :  a chronicle / 
John H. Hammond. 
 - Bristol :  Hilger,  c1981. 
 - xi, 182 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 165-178. 
<br/><br/><label>ISBN: </label>085274451X :  £13.50 
<br/><br/><label>LCCN: </label>82145605  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Camera obscuras--History.
<br/><br/><label>LC Class. No.: </label>TR250  / .H29 1981 
<br/><br/><label>Dewey Class. No.: </label>681/.4