Penn State mechanical dairy feeder
By: E.F. Olver and R.N. Jones
Series: Progress report / Pennsylvania State College, School of Agriculture, Agricultural Experiment Station -- no. 110; Progress report (Pennsylvania State College. Agricultural Experiment Station) -- no. 110
Publisher: Pennsylvania State College, School of Agriculture, Agricultural Experiment Station
Published: 1953
Place of publication: State College, Pa
Language: eng
Subjects: Dairy cattle; Feeding and feeds; Equipment and supplies
Notes: Caption title.