Some links for Tractor Enthusiasts:
Arrival at the Pole by tractor
Ferguson TE2o

Steam Powered Box Factory
The World's Largest Combustion Engine.
Lake Goldsmith photo's by Patrick Livingstone of Earlwood Sydney.
Austral Oil Engine No 226. The only known flyball governed Austral.
1903 10hp Coulson "Simplex" Oil Engine.
Excelsior built by Philip Rayson Melbourne.
T. Melvin & Son, Glasgow. 2.5hp c1896
The Foot Powered (Treadle) Lathe