Aveling and Porter Traction Engines Promoted in 1870s Brochure

"Patent Farm and Road Locomotive" brochure worth a read

This Aveling & Porter's Patent Farm and Road Locomotive brochure, circa 1873, notes that an Aveling & Porter was awarded first prize for being one of the best agricultural locomative engines for farming by the Agricultural Society of Engliand in 1871. It also notes the daily expense of working a 6 HP engine: for one man's wages, fuel and oil, the cost would come to $6, according to the company's calculations.