Portable Compound Engine - Marshall & Son's. Builders Number 48317 Built by Marshall Sons & Co., Ltd., Gainsborough, England (Builder’s Number 48317 of approximately 1908/1909), to the order of Robison Brothers, Engineers, South Melbourne. It was used for operating a pump to supply irrigation water at Robinvale in Northern Victoria. Robison Bros & Co. P/L was founded by James McFarlane Robison and his brothers in 1854, initially as plumbers and coppersmiths, the firm expanded into general engineering, boiler-making and brass, iron and steel founders and became one of Melbourne's most important engineering firms. They constructed railway bridges, gold mining equipment, railway locomotives, pumping stations, brewing vessels, abattoir machinery, amongst much else and including the first turnstiles at the Melbourne Cricket Ground. A portable engine is either a steam engine or an internal combustion engine, that remains in one place while operating (providing power to machinery), and can be easily moved from one work site to another. Mounted on wheels or sometimes skids, it is required to be towed between work sites.Historic - Industrial Portable Compound Engine - steam engine - Marshall & Son's. Marshall & Son's Portable Compound Engine - Builders Number 48317 made of steel Marshall & Son's. Builders Number 48317puffing billy, state rivers and water supply commission of victoria, portable compound engine - marshall & son's., portable compound engine, marshall sons & co., ltd., robison bros & co. p/l