. Adventures with animals and plants. Biology. 4. How We Atte?npt to Stop the Spread of Disease 347 MU. Fig. 307 A Board of Health 'mspector vjakiiig a test in a viilk plant. WJ^at kinds of tests does be make? How may an inspector's work affect your health eveii if you do not drink milk? (new YORK CITY BOARD OF HEALTH). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kroeber, Elsbeth, 1882-; Wolff, Walter Harold, 1
. Adventures with animals and plants. Biology. 4. How We Atte?npt to Stop the Spread of Disease 347 MU. Fig. 307 A Board of Health 'mspector vjakiiig a test in a viilk plant. WJ^at kinds of tests does be make? How may an inspector's work affect your health eveii if you do not drink milk? (new YORK CITY BOARD OF HEALTH). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kroeber, Elsbeth, 1882-; Wolff, Walter Harold, 1901-. Boston : D. C. Heath
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Keywords: ., bookcentury1900, bookpublisherbostondcheath, booksubjectbiology
