Sampling milking equipment after cleaning with new detergent recycling machine. Dave Brown at Animal Science Teaching & Research Center, Harford NY. (Farms/Waste Dis.--Dairy/Cattle/Research), Mar. 1976

Sampling milking equipment after cleaning with new detergent recycling machine. Dave Brown at Animal Science Teaching & Research Center, Harford NY. (Farms/Waste Dis.--Dairy/Cattle/Research), Mar. 1976, Job #438, Box: 16. Cornell University Media Services Photo Section records, 21-37-2227. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/164273 Accessed October 22, 2025.