Degrees of Fahr.

2786 Cast iron melts (Daniell).

2016 Gold melts (Daniell).

1996 copper melts (Daniell).

1873 Silver melts (Daniell).

1750 Brass (containing 25o/o of zinc) melts (Daniell).

1000 Iron bright cherry red (Poillet).

980 Red heat, visible in daylight (Daniell).

941 Zinc begins to burn (Daniell).

773 Zinc melts (Daniell).

644 Mercury boils (Daniell), 662 (Graham).

640 Sulphuric acid boils (Magrignac), 620 (Graham).

630 Whale oil boils (Graham).

617 Pure lead melts (Rudberg).

600 Linseed oil boils.

518 Bismuth melts (Gmelin).

442 Tin melts (Crichton).

380 Arsenious acid volatilizes.

356 Metallic arsenic sublimes.

315 Oil of turpentine boils (Kane).

302 Aetheritication ends.

256 Sat. sol. of acetate of soda boils.

248 „ nitric acid 1.42 boils, and sol. soda 1.44.

239 Sulphur melts (Miller), 226 (Fownes).

238 Sat. sol. of nitre boils.

221 „ salt boils (Paris Codex).

220 „ alum, carb. soda, and sulph. zinc boil.

218 „ chlorate and prussiate of potash boil.

216 „ sulph. of iron, sulph. of copper, nitrate of lead boil. 214 „ acetate of lead, sulph. and bitartrate of potash, boil. 213 Water begins to boil in glass (or 213.5). 212 Water boils in metal, barometer at 30°. 211 Alloy of 5 bismuth, 3 tin, 2 lead, melts. 201 „ 8 bismuth, 5 lead, 3 tin, melts (Kane). 207 Sodium melts (Regnault). 145 White of egg begins to coagulate.

185 Nitric acid 1.52 begins to boil.

180 (about). Starch forms a gelatinous compound with water. 176 Rectified spirit boils, benzol distils. 173 Alcohol (sp. gr. .796 to .800) boils. 151 Bees'-wax melts (Kane), 142 (Lepage). 150 Pyroxylic spirit boils (Seanlan). 141.8 Chloroform, and ammonia of .945, boil. 44.5 Potassium melts (Bunsen). 132 Acetone (pyroaeetic spirit) boils (Kane). 122 Mutton suet and styracin melt. 116 Bisulphuret of carbon boils (Graham). 115 Pure tallow melts (Lepage), 92 (Thomson). 112 Spermaceti and stearin of lard melt. 111 Phosphorus melts (Miller).

98 Temperature of the blood.

95 Ether (.720) boils.

95 Carbolic acid crystals become an oily liquid.

88 Acetous fermentation ceases, water boils in vacuo.

77 Vinous ferm. ends, acetous ferm. begins. 64.4 Oil of anise liquefies.

59 Gay Lussac's Alcoometre graduated at.

55 Syrups to be kept at (P. L.).

30 (about). Olive oil becomes partially solid.

32 Water freezes. 5 Cold produced by snow 2 parts and salt 1 part. - 37.9 Mercury freezes. *** Specific Gravities taken at 60° (B. P.).