with a ladder standing against it. This pump has a diame ter of 62 inches and 6 feet stroke the whole casting weigh ing 9 tons. In the central background and over the tram way stands the condenser an immense and complicated cast ing weighing 21 tons. It is of the tubular kind and is to be again comes the main cylinder weighing 19 tons with its figures with a workman seated upon it engaged with ham of construction. This firm is also niatoifact.arinf:r Stephen 1868 SCIENTIFIC AMERICAN INC., 1868-06-27
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