Life, service and cost of service of farm machinery
By: by J. B. Davidson.
Series: Bulletin 92, Engineering Experiment Station
Publisher: Iowa State College
Published: 1929
Place of publication: Ames, Ia
Language: eng
Number of pages: 19
Subjects: Agricultural machinery.
Notes: On cover: Iowa State College of Agriculture and Mechanic Arts. Official publication. vol. xxviii, no. 1, June 5, 1929.