- A
treadwheel crane (Latin:
magna rota) is a wooden,
human powered hoisting and
lowering device. It was
primarily used
during the
Roman period and the Middle...
- A
treadwheel, or treadmill, is a form of
engine typically powered by humans. It may
resemble a
water wheel in appearance, and can be
worked either by a...
- A
penal treadmill (penal
treadwheel or
everlasting staircase) was a
treadwheel or
treadmill with
steps set into two cast iron wheels.
These drove a shaft...
- were
later developed in the
Roman Empire,
employing the use of
human treadwheels,
permitting the
lifting of
heavier weights. In the High
Middle Ages,...
- a type of mill
operated by a
person or
animal treading the
steps of a
treadwheel to
grind grain. In
later times,
treadmills were used as
punishment devices...
-
undertaken in the 1820s and 1830s. This
included the
installation of a
treadwheel for
those sentenced to hard labour. In 1843 the
number of
cells was increased...
- rowing, and
using a 26-foot-long pedal-powered boat to
cross the oceans.
Treadwheels, also
called treadmills, are
engines or
machines powered by humans. These...
- hemp
haulage rope and was
operated by
human or
animal power,
through a
treadwheel. The line is
still operational,
although in
updated form and is possibly...
- Southwater, Sus****. The
treadwheel dates from the
early 17th century. It was
probably not
worked by a
horse due to its size. The
treadwheel is
housed in a small...
- Rhineland-Palatinate and
designed in part by the
architect Balthasar Neumann; two old
treadwheel cranes, one
being the
Gothic "Old Crane" (Alte Krahnen) or "Trier Moselle...
