554 



SEC. 12. APPLIED MECHANICS. 



Train of wheel work in a crane. 



A crane. 



The Whitworth measuring 



machine. 

 A lathe. 



Headstock of lathe. 

 Train for screw-cutting lathe. 

 Drilling machine. 

 Planing machine (2). 

 Slide rest for face lathe. 

 Blanchard's lathe. 

 Other shaping machines (3). 

 Arrangements for advancing 



boring bar. 

 The Cordelier. 

 Clock train. 

 Chronometer. 

 Regulator of watch. 

 Going fuzee of watch. 

 Rack lever escapement. 

 Detached lever escapement. 

 Chronometer escapement. 

 Gravity escapement. 

 Compensation pendulum. 

 Siemens' steam jet and the 



pneumatic despatch tube. 

 Principle of Giffard's injector. 

 Mode of supplying water to 



trains while running. 

 Air-pump of the Allen steam 



engine. 



Husband's atmospheric stamp. 

 Steam hammers. 

 Hydraulic ram. 

 Cast-iron girder beams (2). 

 Beam of steam engine, right 



and wrong construction. 

 Girder bridges (5). 

 Locomotive (2). 



Cylindrical boiler (2). 



Marine boiler. 



Forms of rail and wheel tire 

 for locomotive (2). 



Indicator diagram and slide 

 valve of locomotive. 



Hornblower's double cylinder 

 engine. 



Doable cylinder engine, with 

 piston valves. 



Watt's disc valve and connec- 

 tions. 



Fairbairn's equilibrium valve. 



High-pressure cylinder,piston, 

 and valves. 



Mode of receiving thrust of 

 screw propeller. 



Gauge, with corrugated plate, 

 and india - rubber dia- 

 phragm. 



Pendulum governor (2). 



Pendulum governor applied 

 to water-wheel. 



Siemens' chronometric go- 

 vernor. 



The forge bellows. 



Blowing fan, with gauge. 



Guibal's ventilating fan. 



Centrifugal pump. 



Turbine. 



Water-wheel. 



Hydraulic press. 



The accumulator. 



Pump worked by water pres- 

 sure. 



Hydraulic cranes (5). 



Water pressure engine (as 

 for crane). 



Press for squirting metals. 



2219. Mr. Anderson's Educational Diagrams on Me- 

 chanics. 



Levers (12). 

 Wheel and axle (18). 

 Pulley (8). 

 Inclined plane (8). 

 Wedge (8). 

 Screw (10). 



Dynamometers (3). 

 Toggle joint. 

 Virtual velocities. 

 Hydraulic press. 

 Elastic cords. 

 Pumps (2). 



