by glen » June 19, 2010, 9:17 am
from the pictures it appears to be a portable steam engine but not a traction one. i see no steering ropes nor any drive linkages to the rear wheels. traction engines were steam powered tractors while a portable engine was used to power equipment that was either stationary or movable but was only used in a stationary condition. usual use was to power threshing machines, sawmills, balers and the like. the engine was moved by horses between jobs. while an old piece of machinery it is far from one of the first built. the first one in common usage were stationary engines pump mines, power sawmills, or to power jackshaft systems for factories. it was only later that machining metal to closer tolerances allowed a portable machine to have enough power to be useful.
from the pictures it appears to be a portable steam engine but not a traction one. i see no steering ropes nor any drive linkages to the rear wheels. traction engines were steam powered tractors while a portable engine was used to power equipment that was either stationary or movable but was only used in a stationary condition. usual use was to power threshing machines, sawmills, balers and the like. the engine was moved by horses between jobs. while an old piece of machinery it is far from one of the first built. the first one in common usage were stationary engines pump mines, power sawmills, or to power jackshaft systems for factories. it was only later that machining metal to closer tolerances allowed a portable machine to have enough power to be useful.