Efficiency of commercial egg candling
By: by M.K. Jenkins, assisted by C.A. Bengtson ; prepared under the direction of M.E. Pennington
Contributors: Bengtson, Caroline A.; Pennington, M. E. (Mary Engle), 1872-1952
Series: Bulletin / United States Department of Agriculture -- no. 702; Bulletin of the U.S. Department of Agriculture -- no. 702.
Publisher: U.S. Dept. of Agriculture
Published: 1918
Place of publication: Washington, D.C
Language: eng
Number of pages: 22
Subjects: Eggs; Inspection
Notes: Caption title.

"September 12, 1918."