Journal Royal Society NSW Vol XXV Plate V 
7 ee eh 2 Siz ae 
Diarreler of cylinder. 2 trechees. 
Slroke (hen Se wes 
Reduced? act pressure 60 Cbs poor. sp. or 
9 ounces 
Weight of the engerte 
54-5 double ucbrations of thes engene mace 
= tr 23 secorr-ds drove the Wy erg - reaches 
3435 feel 
