Page:Popular Science Monthly Volume 92.djvu/188

 Would You Do It for a Living?

��Equipped with a synnge of "germ killer." this man sprays the places where Chicagoians seem to De fondest of expectoratmg

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��A Chef to Bacteria. Miss Agnes Quirk ^atlrs to the dangerous bactena used m the interesting research work at the Bureau of Plant Pathology in Washmgton, D. C.

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