430 AMERICAN HOMES AND GARDENS June, 
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Contracts entered into with the understanding that the charges are for results 
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Princeton University, Princeton, N. J. J. Pierpont Morgan R. Fulton Cutting 
3rown University, Providence, R. I. John D. Rockefeller, Jr. U.S. Government for :— 
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Clement B. Newbold, Jenkintown, Pa. George J. Gould 
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JOHN WHITLEY, Engineer and Contractor 
215 Fulton Street 
: Brooklyn, New York 
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SCIENTIFIC AMERICAN 
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