The engineers incorporated developments proposed by L.D. Porta, including GPCS, Lempor exhaust, an improved spark arrestor, lightweight multi-ring articulated piston valves, improved valve events and improved mechanical lubrication.
Alfred Hitchcock | Canadian Pacific Railway | County Durham | Orange County | County Cork | Great Western Railway | St. Louis County, Minnesota | County Galway | County Mayo | county | Montgomery County | Los Angeles County Museum of Art | Shanghai Railway Bureau | Canadian National Railway | Lancashire County Cricket Club | Midland Railway | Grand Trunk Railway | Westchester County, New York | Nassau County, New York | County Antrim | Rockland County, New York | London and North Western Railway | Northern Pacific Railway | County Down | London, Midland and Scottish Railway | Washington County | Hillsborough County | Great Central Railway | Derby County F.C. | County Meath |