452 



HYDRODYNAMICS. 



Specific 

 Gravities. 



Petrosilex. See Hornstone. 

 Pharmacolite, or arseniate of lime, 

 Phosphorite, or Spargel stone, whitish, from 

 Spain, before absorbing water, . . 



after absorbing water, . 



greenish, from Spain, . 



Saxon, 



Phosphorus, .... 



Pierre de volvic, 



Finite, . . . Kirtvan. 



. Pitch ore, or sulphuretted. uranite, Guyton. 



Klaproth. 



Pitch-stone, black, . Brisson. 



yellow, . . Brisson. 



red, . . . Brisson. 



brick red, from Misnia, Kiraian. 

 leek green, inclining to olive, 



Kirtvan. 



pearl gray, . . Kirtvan. 

 blackish, . . Brisson. 

 olive, . . Brisson. 



dark green, . . Brisson. 

 Pitchy, iron ore, .... 

 Plasma, .... 



Platina, . . . Klaproth. 



drawn into wire, 

 a wedge of, sent by Admiral Gravina 



to Mr Kirwan, 

 a bar of, sent by the king of Spain to 



the king of Poland, 



in grains purified by boiling in nitrous f 

 acid, J[ 



native, . 



fused, ... . 



purified and forged, 



milled and purified, 



compressed by a flatting mill, 

 Pleonaste. See Ceylanile. 

 Plum tree, 



Hauy. 



Plumbago, or graphite, 



Muschenbroek. 

 Kirwan. 



Pomegranate tree, . Muschenbroek. 



Poplar wood, . . . Muschenbroek. 

 white Spanish, Muschenbroek. 

 Porcelain from China, 



Seves, hard, 



tender, 



Saxony, modem, 

 Limoges, 

 of Vienna, 



Saxony, called Petite Jaune, 

 Porcellanite, .... 



Porphyry, green, 



red, .... 

 red of Dauphiny, , . 



red from Cordova, . 



green from ditto, 

 hornblende, or orphites, 

 pitch-stone, 



roullen, 



sand-stone, . 



Potash, carbonate of, 



muriate of, . Muschenbroek. 



tartrite of, acidulous, Muschenbroek. 



antimonial, 

 sulphate of, 



2.6 



2.8249 



2.864-8 



3.098 



3.218 



1.714 



2.320 



2.980 



6.378 



6.530 



7.500 



2.0499 



2.0860 



2.6695 



2.720 



2.298 

 1.970 

 2.3191 

 2.3145 

 2.3149 

 3.956 

 2.04 

 20.722 

 21. 04] 7 



20.663 



20.722 

 17.500 

 18.500 

 15.601 



14.626 

 20.336 

 20.98 

 22.069 



0.7850 

 J 1.987 

 (.2.267 

 1.3540 

 0.3830 

 0.5294 

 2.3847 

 2.1457 

 2.1654 

 2.4932 

 2.341 

 2,5121 

 2.5450 

 2.30 

 2.6760 

 2.7651 

 2.7933 

 2.7542 

 2.7278 

 2.9722 

 2.452 



2.564 



1.4594 



1.8366 



1.9000 



2/2460 



,2.2980 



Potassium at 15 centigrade, Gay Lustac, Specific 



and Thenard, 0.97223 Gravities. 



2.5805 

 2.697 

 2.9423 

 2.610 



Prasium, . . 



Prehnite of the Cape, . . Hauy. 



Brisson. 



of France, . . Hatty. 



Proof spirit, according to the English excise 



laws, .... 



Pumice stone, 

 Pycnite, or shorlous beryl, 

 Pyrites. See Copper and Iron. 

 Pyrope. . . . . 



Hauy. 



Pyrophysalite, 

 Pyroxene. See Augite. 



Klaproth. 

 Werner. 



Q 



Quartz crystallized, brown, red, 

 brittle, 

 crystallized, 

 milky, . . . 



elastic, . . 



Quicksilver. See Mercury. 

 Quince tree, . . 



Gerhard. 

 Kirtvan. 



0.916 



0.9145 



3.5145 



3.718 

 3.941 

 3.450 



2.6468 



2.6404 



2.6546 



2.652 



3.750 



2.6240 



MuschenbroeL 0.7050 



Realgar, or red orpiment, 



R 



Bergman. 

 Brisson. 

 Resin, or Guiacum, .... 



of jalap, 

 Rock crystal, from Madagascar, 



clove brown, . . Karsten. 



snow white from Marmerosch, Karsten. 

 crystal, European, pure, gelatinous. 



Malus. 

 ofBrasil, 



iridescent, ... 

 rose-coloured, . 



yellow Bohemian, 

 blue, .... 

 violet, or amethyst, 

 violet purple, or Carthaginian 



amethyst, 



pale violety white amethyst, . 

 brown, 



black, . . 



Roucou, . ... 



penetrated with water, 

 Ruby oriental, . 



Brazilian, or occidental, 

 spinelle, 



ballas, 

 Rutile. See Titanite, 



RutiKte or Sphene, 



Sahlite, 

 Sal gem, 

 Salt of vitriol, 



sedative of Homberg, 



polychrest, 



de Pnmelle, 



volatile of hartshorn, 



Klaproth. 



Hauy. 

 La Melherie. 



Dandrada. 



3.225 



3.338 



1.2289 



1.2185 



2.6530 



2.605 



2.888 



2.6548 



2.63717 



2.6526 



2.6497 



2.6701 



2.6542 



2.5818 



2.6535 



2.6570 



2.6513 



2.6534 



2.6536 



05956 



1.1450 



4.2833 



3.5311 



3.7600 



3.5700 



3.6458 



4.102 



4.246 



3.1 



3.5 



3.234 



2.143 



1.9000 



1.4797 



2.1410 



2.1480 



1.4760 



