- Conventionally,
steel headframes are used for drum hoists, and
concrete headframes are
built for
friction hoists; but a
steel headframe can be used with a...
- malformations,
functional neurosurgery etc. The
system was
based both on
headframes and X-ray
images taken for all
three planes of space.
Further development...
-
These are the ones that
still have
their headframes and
extraction towers:
Langreo conserves eight headframes: Lláscares Well,
Santa Eulalia Well, Fondón...
-
memorials to the disaster, the site
features a
small woodland park,
preserved headframes and buildings, as well as an
Industrial Museum and Gl**** Museum. The museum...
- 200 t) of silver, and 2.9 million troy
ounces (90 t) of gold.
Fourteen headframes still remain over mine
shafts in Butte, and the city
still contains thousands...
-
original timber headframes over the A and B
shafts were
replaced with
concrete headframes in 1919; a
larger modern "C"
shaft and
headframe was
built in 1955...
-
Galloway installed the
headframe and
hoist (or winder)
houses may be
constructed and the
hoist and
winch ropes installed.
Headframes may be
either steel...
- the last
standing example of the
headframes that once
proliferated on the
Mesabi Range. Most of the
other headframes were
dismantled as open-pit mining...
-
Steel cable of a
colliery headframe...
-
Gates Gate
guardian Pylon Granaries Greenhouses Hayracks Hay
barracks Headframes Infrastructures Landmarks Marinas Monoliths Megaliths Memorials Monuments...
