Milking machines
Breed, Robert S., Bright, John W.
Milking machines VI. leakage from the vacuum pipe line into the pail as a source of contamination of milk - Geneva 1921 - 1-19 p. - Milking, Vacuum, Source New York Agricultural Experiment Station. Bulletin No. 488 .
Milking machines VI. leakage from the vacuum pipe line into the pail as a source of contamination of milk - Geneva 1921 - 1-19 p. - Milking, Vacuum, Source New York Agricultural Experiment Station. Bulletin No. 488 .