The Lookomobile Bosson & Co in Eupen. The same characteristic has important peculiarities compared to the usual agricultural traction engines and that, above all in the construction of the boiler. The same is in fact provided with a fall in fire tubes, which lead back to the base of the chimney, which is located above the furnace. The woodcut in the figure is a sketch of this machine and in a side view with partial average length of the boiler and an average of boiler and machinery.