Pope, Willard Smith continued. 



American Society of Civil Engineers. Transactions. 1896. v. 36, 



P-565-568 r 620.5 A51 v.36 



*Porrett, Robert, 1 783-1 868, English chemist. 



Royal Society of London. Proceedings. 1870. v. 18, 



p.iv-v r 506 RSipr v.i8 



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American Society of Mechanical Engineers. Transactions. 1910. 



V.32, p.1493-1496 r 621.05 A5123 V.32 



*Portlock, Joseph Ellison, 1794-1864, English military engineer. 



Royal Society of London. Proceedings. 1865. v.14, 



p.xiii-xvii r 506 RSipr v.14 



Posepny, Franz, 1836-95, Bohemian mining engineer. 



American Institute of Mining Engineers. Transactions. 1895. v.25, 



p.434-446 r 622.05 A51 v.25 



Post, James Clarence, 1844-96, American engineer. 



American Society of Civil Engineers. Proceedings. 1896. v.22, 

 p.85-86 r 620.6 A51P v.22 



American Society of Civil Engineers. Transactions. 1896. v.36, 



p.569 r 620.5 A51 v.36 



Post, Simeon S. 1805-72, American engineer. 



American Society of Civil Engineers. Proceedings. 1893. v.19, 



p.49-50 r 620.6 A51P V.19 



Potier, Alfred, 1840-1903, French physicist and engineer. 



Poincare. Savants et ecrivains. [1910.] p. 191-200 925 P74 



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American Society of Civil Engineers. Proceedings, 1894. v.20, 

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Pourtales, Louis Frangois de, 1824-80, Swiss-American marine zoologist. 



American Academy of Arts and Sciences. Proceedings. 1881. v.i6, 

 p.435-443 qr 506 A5122P V.16 



National Academy of Sciences. Biographical memoirs. 1877-1909. 

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Popular science monthly. 1881. v.i8, p. 549-552 r 505 P81 v.i8 



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PS67-570 r 620.5 A51 V.61 



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 308 r 506 W27 V.14 



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640 r 506 S66 v.57, Pt.i 



Pradel, Olivier de Serres, seigneur du. See Serres, Olivier de, seigneur 

 du Pradel. 



123 



