mechanical ration computer
By: by W.J. Spillman.
Series: Bulletin -- no. 48.; Bulletin (Agricultural College, Experiment Station, and School of Science of the State of Washington) -- no. 48.
Publisher: Washington State Agricultural College and School of Science, Experiment Station
Published: 1901
Place of publication: Pullman, Wash
Language: eng
Subjects: Feeds -- Weights and measures; Animal nutrition
Notes: Cover title.