Collins, A. Frederick (Archie Frederick), 1869- · Boston, Small, Maynard and company · leaf 267
Chicago Model Works, MadisonStreet, Chicago, 111.; Spon and Chamberlin, 123 Lib-erty Street, New York City, and the Weeden Toy En-gine Company, New Bedford, Mass. APPENDIX E Speed Indicators.—A Simple Way to Find the Speedof a Crankshaft.—To find the speed that a shaft or awheel is turning is… … Fig. 84. A Speed Indicator By pressing the pointed end of the speed indicatoragainst the center of the wheel or shaft the spindle turnsthe dial around and the number of revolutions can thenbe read off by timing it with a watch. INDEX Air pressure on piston, 6 Airplane engine, 23 Alcohol lamp,…
Steam-engines
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