These would be anchored to two parallel metal trusses, each 300 feet long, that would also support telescopes, cameras, orbital maneuvering vehicles and other equipment.
Above the entranceway, vertical metal trusses are visible behind the glazing.
The hall is sheltered beneath a soaring roof that is braced on the west side by a huge metal truss.
Some preservationists would like the metal truss to be scaled back in size, so that it would be barely visible from the street.
Onto this base will be attached girder-like, lattice-work metal trusses.
The first North End Bridge opened 1887 with a sturdy metal box-shaped truss (the upper part of the box being suspended above the roadway.
High above the pool, exposed curved metal trusses support the roof, an effect mirrored by divers arcing through space.
In 1897-1898, the metal tube from 1860 was replaced by metal trusses, common at the time.
There were huge metal trusses, like the arched understructure of a bridge.
An enormous metal truss stretched from the wall into space, reminiscent of the ancient Eiffel Tower laid on its side.