270 CHAPTER 12 1958 Guide' average wind velocity from December through February is 15 mph or higher in only 7 of the cities listed and Column 9 shows that a wind velocity of 15 mph did not occur in any city listed for temperatures equal to or lower than those shown in Column 8 for the years. 1935-1939.

294 CHAPTER 13 1958 Guide- :d\r Table 2.., Summer Climatic Conditions4 (Continued) Suggested.

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Saudi Arabia's royal power plant operc I he so-called open-air design of power generating plant, often used in favorable climates, came in for un expected use in Saudi Arabia, accord ing to a story brought back by repre sentatives of Enterprise Engine & Machinery Co., and Michael Baker, Jr., Inc., consulting engineers.

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December 1* 1950 B r , Ralph C, flcott Fisher.

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October 30, 1956 Dr, R.

ETH YL CORPORATION lO O PA R K A V E N U E B U IL D IN G A T 4 1 s i S T R E E T N E W Y O R K 17, N .

September % 1955 Dr* Keith Fairley 107 Collins Street Melbourne, Australia Dear Dr* Fairleys I have just returned to my desk after a vacation to find your letter and also the article on chronic nephritis which you so kindly sent me* The problem which you have dealt with is an extremely interesting and important one, and X have been following this matter with a great deal of Interest.

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