Online Books by
John A. Hamann
(Hamann, John A. (John Adolf), 1906-)
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Hamann, John A. (John Adolf), 1906-: Egg grading manual (U.S. Dept. of Agriculture, Agricultural Marketing Service, 1956), also by W. E. Hauver (page images at HathiTrust)- Hamann, John A. (John Adolf), 1906-: Egg grading manual (U.S. Dept. of Agriculture, Agricultural Marketing Service, 1955), also by W. E. Hauver (page images at HathiTrust)
- Hamann, John A. (John Adolf), 1906-: Egg grading manual (U.S. Dept. of Agriculture, Agricultural Marketing Service, 1961), also by W. E. Hauver and Lester Kilpatrick (page images at HathiTrust)
- Hamann, John A. (John Adolf), 1906-: Electronic bloodspot detection in commercial egg grading (Marketing Research Division, Agricultural Marketing Service, U.S. Dept. of Agriculture, 1958) (page images at HathiTrust)
- Hamann, John A. (John Adolf), 1906-: Evaluation of mechanized egg-grading and packing equipment (U.S. Dept. of Agriculture, Agricultural Research Service, 1966), also by W. R. Forbus (page images at HathiTrust)
- Hamann, John A. (John Adolf), 1906-: Improved designs for commercial egg grading and packing plants (U.S. Dept. of Agriculture, Agricultural Marketing Service, Transportation and Facilities Research Division, 1961), also by Thomas F. Todd (page images at HathiTrust)
- Hamann, John A. (John Adolf), 1906-: Multiple-occupancy warehouses for poultry and egg wholesalers : improved designs (U.S. Dept. of Agriculture, Agricultural Marketing Service, Transportation and Facilities Research Division, 1964), also by W. R. Forbus (page images at HathiTrust)
- Hamann, John A. (John Adolf), 1906-: Shell egg processing plant design (U.S. Dept. of Agriculture, Agricultural Research Service, 1971), also by United States. Agricultural Research Service (page images at HathiTrust)
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