3HP IHC Model M restoration, Otto engine patent, 11HP Austral, Tri-State Gas Eng
USD 22.82 USD
Dave Rotigel’s 1920 11 HP Austral (4 pages). - A Rusty Rescue – Peter Rooke tackles a tough IHC restoration project – Part 1 – 3 HP IHC Model M (5 pages). - Patent Page – Gas Engine Patents of Note – Where it all began: The Otto (1 page).