Books by Francis L. Gerdes:
Books in the extended shelves:
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Gerdes, Francis L. (Francis Leo), 1907-: Care and maintenance of cotton-gin saws and ribs (U.S. Dept. of Agriculture, 1936), also by Charles A. Bennett (page images at HathiTrust)- Gerdes, Francis L. (Francis Leo), 1907-: Effect of artificially drying seed cotton before ginning on certain quality elements of the lint and seed and on the operation on the gin stand (U.S. Dept. of Agriculture, 1936), also by Charles A. Bennett (page images at HathiTrust)
- Gerdes, Francis L. (Francis Leo), 1907-: Effects of artifically drying seed cotton on certain quality elements of cottonseed in storage (U.S. Dept. of Agriculture, 1942), also by Ralph A. Rusca (page images at HathiTrust)
- Gerdes, Francis L. (Francis Leo), 1907-: Effects of gin-saw speed and seed-roll density on quality of cotton lint and operation of gin stands (U.S. Dept. of Agriculture, 1936), also by Charles A. Bennett (page images at HathiTrust)
- Gerdes, Francis L. (Francis Leo), 1907-: Modernizing cotton gins (U.S. Dept. of Agriculture, 1938), also by Charles A. Bennett and Thomas Laffin Baggette (page images at HathiTrust)
- Gerdes, Francis L. (Francis Leo), 1907-: The vertical drier for seed cotton (U.S. Dept. of Agriculture, 1936), also by Charles A. Bennett (page images at HathiTrust)
Find more by Francis L. Gerdes at your library, or elsewhere.