Pulling machines for harvesting fiber flax /
[by Jesse E. Harmond and Leonard M. Klein].
- Washington, D.C. : U.S. Dept. of Agriculture, 1955.
- 13 p. : ill. ; 24 cm.
- Circular / United States Department of Agriculture ; no. 955 .
- Circular (United States. Department of Agriculture) ; no. 955. .