Model engine construction, with practical instructions to artificers and amateurs (1894)
Alexander, John Henry. [from old catalog] · London, New York, Whittaker · leaf 87
es a whistle. A much simpler whistle is made by taking a bitof brass tubing, blocking up one end, and partially 68 MODEL ENGINE CONSTRUCTION. closing the other, by soldering or screwing in a pieceof brass rod, with a flat filed on one side. The mouthis made with the corner of a file on the same… … Fig. 20. top of the fire-box in the delivery-pipe, where itenters the boiler. The water enters at W, forcingup the valve V, and passing through the passage Pinto the boiler. Thus water passes in, but none getsout, as any backward flow would tend to force thevalve more firmly down upon its seat.…
Steam-engines · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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