Collins, A. Frederick (Archie Frederick), 1869- · Boston, Small, Maynard and company · leaf 148
ide the case. Drill another hole %2inch below the center and %2 inch to the left of itfor the pin on which the toothed wheel turns; Fittings for Model Engines 133 and, lastly, drill a hole at the top and to the left,put in a pin and fix a flat spring to it. Get a piece of pinion wire,1 that is a… … £/)CK~ ii NEEDLE CFRONTPLATE RING ORD/4L SIPHON flT£H Fig. 52. How a Steam Gauge is Made taken from an old clock. Set it on a steel wireVie inch thick and %e inch long, thread both endsof the wire, or arbor, push the short end throughthe support and screw on a nut; and see to it thatit runs very…
Steam-engines
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