10 | 8 | 700 | 32 | 18 " 18 |
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_Double Engines_.
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Brake | | | | |
Horsepower| Bore of | Revolutions| | |
at 62 lb.| Cylinder. | per minute.| Height. |Floor Space.|
Boiler | | | | |
Pressure. | | | | |
----------|-----------|------------|---------|-------------
| in. | | in. | in. in. |
4½ | 4 | 1,100 | 26 | 14 by 20 |
7¼ | 5 | 1,000 | 28 | 14 " 20 |
12 | 6½ | 800 | 30 | 16 " 26 |
20 | 8 | 700 | 32 | 18 " 32 |
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The manufacturer is Mr. F.D. Bumstead, Hednesford,
Staffordshire.--_Engineering_.

* * * * *




THE CHINESE PUMP.


If a glass tube about three feet in length, provided at its upper