Valve Cap 



Compression Jap 



,Volve Cap Washer 

 .Water Jacket 

 Inlet Valve 

 Exhausi Valve 



Valve Stem Guide 



valve Stem Collar 

 -Valve Stem Cotter 



-Valve Tapp 



Adjustment 



.Valve Tappet 



- Valve Tappet 



Guide 



Valve Tappei Roller 

 'Camshaft Bush 

 Bevel Wheel (Oil Pump) 

 Oil Pump Wheel Hey 



Flywheel Bolt 

 Cronkcase, top half 



Crankshaft extension 



Crankshaft Nut 



Flywheel Bolt 



Rear Main 

 Bearing Cap Strap 



r< ^ Oil Sump Tra^ 



'Drain Plug 



Specially designed by Geoffrey Watson for Harmsworth's Universal Encyclopedia 



VO'BLOC ENGINE OF A MODERN MOTOR CAR 



lagneto also omitted to simplify diagram 



