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9391. Dust (in industry). Studies on industrial dust problem: 3, Comparative field studies of Palmer apparatus, konimeter, and impinger methods for sampling aerial dust [with bibliography]; by Leonard Greenburg.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:1033

9392. Eye. Eyesight of school child as determined by Snellen test, statistical study of results of vision tests of 9,245 native white children in New York State, Delaware, South Carolina, and Frederick County, Md., and of 2,636 white children in Cecil County, Md.; by Selwyn D. Collins.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:975

9393. Eye. Variation in eyesight at different ages, as determined by Snellen test, statistical study of results of vision tests of 4.862 native white school boys and 6,479 male white industrial workers in United States; by Selwyn D. Collins and Rollo H. Britten.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:979

9394. Filters and filtration. Some preliminary observations from study of water filtration plants along Ohio River; by H. W. Streeter.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:987

9395. Fleas. Comparative study of rat-flea data for several seaports of United States [with list of references]; by Carroll Fox and E. C. Sullivan.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6:40/45-48

9396. Flies. Transmission of disease by flies; by Ernest A. Sweet.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: Revised edition, June, 1922. [Reprint with slight changes] 1925
SuDoc number:: T 27.6/2:29/5

9397. Foot defectiveness in school children.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:999

9398. Goiter. Endemic goiter in Colorado: by Robert Olesen.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:983

9399. Health boards and departments. Cooperative relations between official and unofficial health agencies; by S. W. Welch.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:981

9400. Health boards. State and insular health authorities, 1925, directory, with data as to appropriations and publications.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1925
SuDoc number:: T 27.6/a:1043

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