Technology on the farm. A special report
Technology on the farm. A special report
by an Interbureau Committee and the Bureau of Agricultural Economics of the United States Department of Agriculture.
- [Washington] U.S. Govt. Print. Off., 1940.
- xiii, 224 p. illus., diagrs. 26 cm.
agr40000500
Agriculture--United States.
Agricultural engineering.
Agriculture--Economic aspects--United States.
S441 / .A15 1940
630.973
agr40000500
Agriculture--United States.
Agricultural engineering.
Agriculture--Economic aspects--United States.
S441 / .A15 1940
630.973