Photographs

028-1323.JPG
Key Words
4 light sources; incandescent, flourescent, HPS, LPS; lumens per watt14 70 100 143
Location
USDA Open House - lights
City, State, Country
Beltsville, Maryland, United States
Date Taken
March 1975
Photographer
J. C. Raulston
Collection
J. C. Raulston's Slide Collection
Image Name
028-1323.JPG
Image ID
49399