towards and from each other. The im- with the ordinary broken granite; above thisa dressing of the boiler pressure of the steam from a change of speed im- pact of the passing stream is not upon and over the gurfaces sand is laid; the whole is then watered. An immense roller possible to be detected… … could be kept in good working order fora tithe of what it cut-off the steam may be cut off near the beginning of the ernor will doall the graduating. The effect of a taper valve now costs. The use of the steam roller simplifies the matter stroke, and no steam can be admitted until the beginning of…
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