_Table giving the Percentage by volume of Combustible Gas in a Mixture
of that Gas and Air corresponding with the Explosive Limits of such a
Mixture._--(Eitner.)
____________________________________________________________________
| | | | |
| Description of | Lower | Upper | Difference between the |
| Combustible Gas. | Explosive | Explosive | Lower and Upper Limits, |
| | Limit. | Limit. | showing the range |
| | | | covered by the |
| | | | Explosive Mixtures. |
|__________________|___________|___________|_________________________|
| | | | |
| | Per Cent. | Per Cent. | Per Cent. |
| Carbon monoxide | 16.50 | 74.95 | 58.45 |
| Hydrogen | 9.45 | 66.40 | 57.95 |
| Water-gas | | | |
| (uncarburetted) | 12.40 | 66.75 | 54.35 |
| ACETYLENE | 3.
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