946 



INDEX. 



PLUMBING : [1848] Hellyer. 1900. [6574] Buehan. 

 1883. [9101-3] Hellyer. 1882-7. [10586] 

 Lawler. 1896. [1 1276] Maguire. 1890. [S 3639] 

 Sutcliffe. 1907. 



PLURALITY OF WORLDS : [1362] Fontenelle. 1702. 

 [2065-6] Huygens. 1698-9. [3515] Peat. 1856. 

 [3823-4] Proctor. 1870-82. [4347] Serviss. 

 1902. [5168] Wallace. 1904. [5375-6] Whewell. 

 1853-4. [5411-12] Wilkins. 1640-84. [6476-7] 

 Brewster. 1854-70. [7283] Dick. c. 1845. 

 [7944_5] Flammarion. 1864-5. [8023] Fonte- 

 nelle. 1737. [9629-34] Huygens. 1698-1722. 

 [11866] Miller. 1883. [13712-14] Proctor. 

 1872-86. [15553-8] Wilkins. 1638-1708. 

 [S 1527] Lowell. 1908. [SS 1080. 1083] Fonte- 

 nelle. 1733-60. 



PNEUMATIC DISPATCH TUBES : [3635] Pilbrow. 1844. 

 v. Railways (Atmospheric). 



MACHINES : [6854] Chevalier. 1847. 



TROUGH : [13669-70] Priestley. 1772. 



PNEUMATICS : [877-8] Cotes. 1738-47. [1875-6] 

 Hero Alexandrinus. 1575. [2466-7] Lardner. 

 1836. [3714]Porta. 1601. [4273] Schott. 1657. 

 [5997] Barlow. 1823. [7040-4] Cotes. 1738-75. 

 [8484] Gmelin. 1784. [9175-9] Hero Alexan- 

 drinus. 1575-1851. [10537] Lardner. 1831. 

 [11782] Mersenne. 1644-7. [13533] Porta. 

 1601-6. [14893] Sinclair. 1669. [15515] 

 Wetherald. 1760. 



v. Aerodynamics. Aerometry. Air. 



POETRY OF SCIENCE : [13172] Petit. 1876-9. 



POINTS, THEORY OF : [16399] Monteil. 1912. [16808] 

 Young and Chisholm. 1906. 



7812] Faust. 1906. 

 1885. 



POISONS (ANIMAL) : [1312. 



POLAR DISTANCES : [12466] Xewcomb. c 

 v. Zenith Distances. 



EXPLORATION : [5781-3] Antarctic Expedition . 



1840-1906. [12306] Murray. 1901. [15035] 

 Steen. 1887. 



- HEIGHTS : [12765] Nyren. 

 Rahnenfuhrer. 1908. 



1873. [13832] 



POLARISCOPE : [10468] Landolt. 1882. [10551] 

 Lasaulx. 1878. [14407] Rolfe. 1905. 



v. Analyser. Microscope (Polarising). Optical 



Activity. 



POLARITY, CAUSES OF : [1045] Dickson. 1859. [6906] 

 Clark. 1907. 



POLARIZATION v. Heat, P. of. Light, P. of. 



POLARS (RECIPROCAL) : [15989-90] Ferrers. 1861-90. 



[16493-4] Poncelet. 1862-6. 

 v. Duality. 



POLYATOMIC COMPOUNDS : [2703] Louren9O. 

 Bradwardine. 



POLYGONS (STAR) : 

 [15945] Dostor. 



[6438] 

 1880. 



1863. 

 1495- 



4ND POLYHEDRA : [4362] Sharp. 1717. [10887] 



Listing. 1862. [15810] Bruckner. 1900. [15963] 

 Eberhard. 1891. [16493-4] Poncelet. 1862-6. 

 [SS 274] Cataldi. 1620. 



POLYTROPE: [4411] Sire. 1862. 



POPULAR SCIENCE : [1450] Gall. 1895. [2861] Martin. 

 1822. [3592-4] Phillips. 1833-73. [5152 

 Walker. 1799. [6468] Brewer. 1872. [7859 

 Ferguson. 1823. [9916] Joyce. 1840. [13101 

 Pepper. 1869. [13432] Pluche. 1740. 



PORCELAIN: [431] Blancourt. 1699. [2336] Kunckel. 

 1679. [3721] Porter. 1832. [S 2998] Asch. 

 1913. [S 3066] Blancourt. /*. of 1699. [S 3168] 

 Neri, etc. 1752. [SS 2757-8] Dossie. 1758-64. 



PORISMS : [1585] Gompertz. 1850. [3448-9] Pappus. 

 1588-1660. [4601] Stewart. 1746. [6376] 

 Boulliau. 1657. [12938] Pappus. 1660. [13418] 

 Playfair. 1792. [15866] Chasles. 1860. [SS 840] 

 Simson. 1812. [SS 860] Steiner. 1832. 



POROSITY OF BODIES : [530. 539. 6416] Boyle. 1684. 



PORTRAITS OF SCIENTISTS : [3723] Portraits, c. 1680. 

 [5315] Weld. 1860. [7793-4] Faraday, n. d. 

 [8019] Forbes, n. d. [8877-8] Hanbury. n. d. 

 [8963] Harrison, n. d. [9117-18] Helmholtz. 

 n. d. [9619-21] Huxley, n. d. 



POTASSIUM AND ITS COMPOUNDS : [1498. 8314-15] 

 Gay-Lussac et Thenard. 1811. [8718] Groth. 

 1902. [11135] Lupton. 1876. [13094] Penny. 

 1855. 



POTENTIAL (ELECTRIC) : [4336] Serpieri. 1884 

 [4949] Tumlirz. 1889. 



(THERMODYNAMIC) : [7392] Duhem. 1886. 



, THEORY OF THE : [1642. 8628] Green. 1828. 



[10283] Korn. 1899-1901. [12447] Neumann. 



1877. [14241] Riemann. 1876. [14377] Roch. 



1862. [ 15147] Strutt. 1900. [16078] Grimsehl. 



1905. [16524] Riemann. 1892. [17081] Hove- 



stadt. 1890. [17254-5] Tumlirz. 1884-9. 



[17269] Wand. 1871. [17270] Wangerin. 1909. 



[S 1807] Clausius. 1870. [S 2138] Mathieu. 



1865-6. 

 v. Function (Potential). 



POTENTIOMETER : [1344] Fisher. 1897. 

 POTHENOT'S PROBLEM : [8374] Gerling. 1840. 



POTTERY, TECHNICS OF : [2336] Kunckel. 1679. 



[5812] Arcet. 1766. [8576] Granger. 1905. 



[8739] Guignet. 1899. 

 v. Enamelling. Porcelain. 



POWELL'S BANDS : [13571-2] Powell. 1848. 

 POWER GAS PRODUCTION : [14376] Robson. 1908. 



PLANTS : [9586] Hutton. 1906. 

 PRODUCTION : [1590] Goodrich. 1904. 



TRANSMISSION : [9482] Hospitalier. v. y. [10121] 



Kerr. 1902. [15358] Unwin. 1894.. 

 v. Belting. 



POWERS (MATHEMATICAL) : [16223] Kleyer. 1883. 



PRECESSION AND NUTATION : [70] Alembert. 1749. 



[776] Cheyne. 1867. [3360] O'Brien. 1840. 



[4398-9] Simpson. 1757. [5085] Vince. 1787. 



[5540] Ximenes. 1776. [5580] Zach. 1812. 



[6861] Cheyne. 1867. [7444] Edinburgh Essays. 



1754-71. [10000] Kapteyn. 1901. ' [11670] 



Maxwell 1857. [12466-7. 12469] Newcomb. 



1885-98. [12762-3] Nyren. 1872-6. [12774] 



O'Brien. 1840. [13167] Peters. 1843. [14267] 



Ristenpart. 1892. [14884-5] Simpson. 1757. 



[15150] Struve. 1842. [16940] Barnard. 1872. 



[S 2491] Darwin. 1877-89. [SS 981] Alembert. 



1754-6. 

 v. Polar Distances. Spinrfing Top. 



PRECIOUS METALS : [9704] Jacob. 1831. 



STONES : [1817] Hatiy. 1817. [2137] Jeffries. 



1871. [2930] Mawe. 1815. [4097] Rothschild. 



1890. [4639] Streeter. 1877. [7425] Dutens. 



1777. [9018] Haudicquer de Blancourt. 1718. 



[9040] Haiiy. 1817. [10337-40] Kunz. 1890- 



1903. [15629] Cesi. 1636. [SS 2663] Boetius 



de Boot. 1647. [SS 2664] Boyle. 1672. 



[SS 2666] Brard. 1808. [SS 2668] Emanuel. 



1867. [SS 2678] Jeffries. 1750. 



v. Diamond. Garnet. 



PRECIPITATION, MECHANICAL CAUSES OF : [SS 1583- 



4] Boyle. 1675. 



PRESSING MACHINERY : [S 3403-4] Colyer. 1881-92. 

 v. Hydraulic Press. 



