Journal Royal Society NSW Vol XX Plate X17. 
MAT Engine {stam} 
Ln aigram. 
103-0 Mean. 
trom the top of Ne.17 Engine 
Doble vibrations per nunute 141 
Strobel A cians 2 ee hay ee 
Clearances ——— ~~ — ~ +03 tne 
Licticated Horse Power +169 
Diagram fo 
