. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . e sounding of thewhistle can be stopped by slackingthe set screw in lever //. The sameresult can be attained by pouringcold water on the tube B, which will (^^^^^^H^^^^ - ^ water has reached above the {)ipe F, ^^^^^^^^^^p ( The Reliable Linv - Watej- Alarm is shown in Fig. 2. It is at-tached to the boiler at such heightthat, when the water - level hasreached the lowest point which it isto be allowed to fall, the flo
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . e sounding of thewhistle can be stopped by slackingthe set screw in lever //. The sameresult can be attained by pouringcold water on the tube B, which will (^^^^^^H^^^^ - ^ water has reached above the {)ipe F, ^^^^^^^^^^p ( The Reliable Linv - Watej- Alarm is shown in Fig. 2. It is at-tached to the boiler at such heightthat, when the water - level hasreached the lowest point which it isto be allowed to fall, the float G will be supported so that its lever-arm is just in contactwith the valve-rod which admits steam to the whistle. ALLOYS. Prof. Tliurstons researches on coiiper-tin and copper-zinc alloys are referredto in Vol. I of this work. His later researches, on the triple alloys of copper, tin, and zinc,have since been published (see Report of the U. S. Board appointed to test Iron. Steel, andother Metals, and IWms. Am. Soc. Civ. Engrs., 1881). The following table is an abstract ofthe tests in tension made by Prof. Thurston :.
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