Mary Engle Pennington (1872-1952), Cert. of Prof. 1892 and Ph. D. 1895, on top of a box car, result 1 of 1

Mary Engle Pennington (1872-1952), Cert. of Prof. 1892 and Ph. D. 1895, on top of a box car

ca. 1910

photograph

6 x 11 cm (2.5 x 4.5 in)

As chief of the U.S. Department of Agriculture Food Research Laboratory, Dr. Pennington set the standards for railroad refrigerator cars and devised methods of preserving and handling perishable food

UARC20021126009

UPF 1.9 AR, Alumni Records Collection, Box 2053

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