Details of exhibit

Exhibition:
1908 Fifty-third Annual Exhibition of the Royal Photographic Society of Great Britain  
Exhibit title:
Model of Lens Calculator  
Exhibitor:
A. Lockett 
Section:
Scientific and Technical Photography and its Application to Processes of Reproduction 
Exhibit No.:
420 
Description:
For quickly finding the focus of combined lenses, ascertaining conjugate foci, estimating measurements of objects from photographs, and solving other problems in photographic optics. 
Exhibit type:
Photographic equipment and supplies 
Process:
[Not Listed] () 
Award:
none