Details of exhibit

Exhibition:
1900 Forty-fifth Annual Exhibition of the Royal Photographic Society  
Exhibit title:
Enlarged Print of the Transit of Venus, 6th December, 1882, photographed by Professor David P. Todd, at Lick Observatory, California  
Exhibitor:
Prof. David P. Todd 
Section:
Scientific, Technical and Photo-Mechanical Exhibits 
Exhibit No.:
479 
Description:
5 inch lens, 40 feet focus, corrected for photographic rays. Original solar image 4½ inches diameter. Wet collodion process. Enlargement developed on the paper; exposure through the original negative, with electric (arc) light 
Exhibit type:
Photograph 
Process:
Wet Collodion (Negative) 
Award:
none 
Source(s):
Photograph by Professor David P. Todd