General view of the Air Control Room at the U.S. Department of Agriculture's Agricultural Engineering Laboratory showing three bags of fertilizer in storage under three bags of sand.
|View in library catalog|
“Fertilizer Bags at Agricultural Engineering Laboratory,” July 15, 1953. Travis P. Hignett Collection of Fixed Nitrogen Research Laboratory Photographs, Box 4. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/08612n54w.
This citation is automatically generated and may contain errors.