+-----------------+------------------+
| Metal | Temperature |
| |Degrees Fahrenheit|
+-----------------+------------------+
|Wrought Iron | 2737 |
|Pig Iron (gray) | 2190-2327 |
|Cast Iron (white)| 2075 |
|Steel | 2460-2550 |
|Steel (cast) | 2500 |
|Copper | 1981 |
|Zinc | 786 |
|Antimony | 1166 |
|Lead | 621 |
|Bismuth | 498 |
|Tin | 449 |
|Platinum | 3191 |
|Gold | 1946 |
|Silver | 1762 |
|Aluminum | 1216 |
+-----------------+------------------+
Determination of Temperature from Character of Emitted Light--As a
further means of determining approximately the temperature of a furnace,
Table 9, compiled by Messrs. White & Taylor, may be of service. The
color at a given temperature is approximately the same for all kinds of
combustibles under similar conditions.