. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 118. CHIMNEY DRAUGHT IN-DICATOR. The inverted float in a cup ofwater is connected to the dial hand by a rackand pinion. The flue or chimney is connectedto the bottom of the central tube by pipe orhose. The draught of the chimney relieves thefloat of pressure equal to
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 118. CHIMNEY DRAUGHT IN-DICATOR. The inverted float in a cup ofwater is connected to the dial hand by a rackand pinion. The flue or chimney is connectedto the bottom of the central tube by pipe orhose. The draught of the chimney relieves thefloat of pressure equal to the static height of thewater due to the partial vacuum, which becomesa constant record on the dial. 119. PLUG FOR LEAKY BOILERTUBES. The bolt is screwed into one of theplugs tight; the other plug has a gland andstuffing box for perfect closure around the rodby rubber or asbestos packing. 120. SAFETY PLUGS FORBOILERS. Lunkenheimer type tomeet the requirement of the UnitedStates Inspection Service, which pro-hibits alloys as not being reliable,and requires that all plugs shall befilled with pure Banca tin, whichmelts at a temperature of 446° Fah. 121, INSIDE TYPE OUTSIDE TYPE INLET. 124. SIMPLE FLOAT STEAM type. A tight copper ball with valve andguide stem at the bottom and guide stem in theinlet pipe. 66 GENERATION OF POWER, STEAM.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
