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Royd R. Sayers (October 25, 1885 – April 23, 1965) was an American physician and industrial hygienist. He served as the Chief of the Division of Industrial Hygiene at the National Institute of Health and the 7th director of the U.S. Bureau of Mines. (From Wikipedia) More about R. R. Sayers:
Associated authors:
- Stark, David D.
- Jacobs, Walter A. (Walter Abraham), 1883-1967
- Mitchell, Claude W. (Claude William), 1889-1976
- Jones, G. W. (George William), 1891-
- Katz, S. H. (Sidney Hershberg), 1884-
- Smith, N. A. C. (Nicholas Arthur Clarke), 1886-
| | Books by R. R. Sayers: ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Sayers, R. R. (Royd Ray), 1885-1965: Investigation of Toxic Gases from Mexican and Other High-Sulphur Petroleums and Products: Report by the Bureau of Mines, Department of the Interior, to the American Petroleum Institute (Bureau of Mines bulletin #231; Washington: GPO, 1925), also by N. A. C. Smith, Arno Carl Fieldner, Claude W. Mitchell, G. W. Jones, W. P. Yant, David D. Stark, S. H. Katz, J. J. Bloomfield, and Walter A. Jacobs (page images at HathiTrust)
Additional books by R. R. Sayers in the extended shelves:![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif) Sayers, R. R. (Royd Ray), 1885-1965: Carbon monoxide poisoning in homes and industries (Washington, D.C. : United States Department of the Interior, Bureau of Mines, 1924., 1924), also by United States Bureau of Mines (page images at HathiTrust)- Sayers, R. R. (Royd Ray), 1885-1965: Connection between physical condition and liability to accidents of metal miners (U.S. Dept. of Commerce, Bureau of Mines, 1930), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Dangers of and treatment for carbon monoxide poisoning (U.S. Dept. of the Interior, Bureau of Mines, 1923), also by W. P. Yant and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Effect of abnormal air conditions on mine workers (U.S. Dept. of Commerce, Bureau of Mines, 1930), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Effect on workers of air conditions (U.S. Dept. of Commerce, Bureau of Mines, 1931) (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Effective temperatures for still air conditions and their application to mining (Washington, D.C. : United States Department of the Interior, Bureau of Mines, 1924., 1924), also by F. C. Houghten, C. P. Yagloglou, and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Exhaust gases from engines using ethyl gasoline (U.S. Dept. of the Interior, Bureau of Mines, 1924), also by William J. McConnell, B. G. H. Thomas, W. P. Yant, Arno Carl Fieldner, and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Experimental studies on the effect of ethyl gasoline and its combustion products. ([Cramer printing & publishing company], 1927), also by United States Bureau of Mines, Bernard George Hermann Thomas, W. P. Yant, Arno Carl Fieldner, Ethyl Corporation, and General Motors Corporation. Research Laboratories (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Exposure of dogs to 450-500 p.p.m. methanol vapor in air. (U.S. Dept. of the Interior, Bureau of Mines, 1942), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: The hazard of hydrogen flouride poisoning in the mineral and allied industries (U.S. Dept. of the Interior, Bureau of Mines, 1945), also by Sara J. Davenport (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Health hazards in the mining industry (Washington, D.C. : United States Department of the Interior, Bureau of Mines, 1924., 1924), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Hydrogen sulfide as an industrial poison (U.S. Dept. of the Interior, Bureau of Mines, 1923), also by W. P. Yant, Claude W. Mitchell, and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Manual of first-aid instruction for miners (Dept. of the Interior, Bureau of Mines :, 1921), also by United States. Committee of Surgeons on Standardization of First Aid, G. H. Halberstadt, United States Bureau of Mines, and American National Red Cross (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Mine ventilation (U.S. Dept. of Commerce, Bureau of Mines, 1932) (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Morbidity studies as an aid in preventing illness among miners (U.S. Dept. of the Interior, Bureau of Mines, 1923), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Physiological effects of exposure to low concentrations of carbon monoxide (U.S. Dept. of the Interior, Bureau of Mines, 1922), also by W. P. Yant, F. V. Meriwether, and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Physiological factors of mine ventilation (U.S. Dept. of Commerce, Bureau of Mines, 1929) (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Physiological factors of mine ventilation (Washington, D.C. : United States, Department of Commerce, Bureau of Mines, 1928., 1928), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Prevention of illness among miners (Washington, D.C. : United States Department of the Interior, Bureau of Mines, 1922., 1922), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Pyro-tannic acid method for CO determinations ([Washington, D.C.] : United States Department of the Interior, Burea of Mines, 1923., 1923), also by G. W. Jones, W. P. Yant, United States Public Health Service, and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: The pyrotannic acid method for the quantitative determination of carbon monoxide in blood and in air : its uses in the diagnosis and investigation of cases of carbon monoxide poisoning (U.S. Dept. of the Interior, Bureau of Mines :, 1925), also by W. P. Yant (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: The response of peritoneal tissue to industrial dusts (U.S. Govt. Print. Off., 1941), also by John William Miller (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Sanitation in mines (Govt. Print. Off., 1924), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Some effects on man of high temperatures (Washington, D.C. : United States Department of the Interior, Bureau of Mines, 1924., 1924), also by William J. McConnell and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Tentative specifications for rock dusting to prevent coal-dust explosions in mines (Washington, D.C. : United States Department of the Interior, Bureau of Mines, 1924., 1924), also by George S. Rice, J. W. Paul, and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Underground hygiene and sanitation (U.S. Dept. of the Interior, Bureau of Mines, 1922), also by United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Use of ethyl mercaptan to detect leaks in natural-gas distribution systems (U.S. Dept. of Commerce, Bureau of Mines, 1930), also by S. J. Pearce, R. D. Leitch, W. P. Yant, A. C. Fieldner, and United States Bureau of Mines (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Ventilation of vehicular tunnels. (New York, 1927), also by United States Bureau of Mines, J. W. Paul, Yandell Henderson, and Arno Carl Fieldner (page images at HathiTrust)
- Sayers, R. R. (Royd Ray), 1885-1965: Warning agents for fuel gases, by A. C. Fieldner, R. R. Sayers, W. P. Yant, S. H. Katz, J. B. Shohan, and R. D. Leitch. (Printed by the American Gas Association, 1931), also by United States Bureau of Mines, Arno Carl Fieldner, W. P. Yant, S. H. Katz, Jacob Bernard Shohan, Richard Duddleston Leitch, and American Gas Association (page images at HathiTrust)
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