HEAT AND COLD.

Degrees of heat above zero at which substances melt:--Wrought iron,

3,980 degrees; cast iron, 3,479; platinum, 3,080; gold, 2,590; copper,

2,548; steel, 2,500; glass, 2,377; brass, 1,900; silver, 1,250;

antimony, 951; zinc, 740; lead, 594; tin, 421; arsenic, 365; sulphur,

226; beeswax, 151; gutta percha, 145; tallow, 97; lard, 95; pitch, 91;

ice, 33. Degrees of heat above zero at which substances boil:--Ether,

98 degrees; alcohol, 173; water, 212; petroleum, 306; linseed oil,

640; blood heat, 98; eggs hatch, 104.

Barkham Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 · 第 162 / 239 题