The latest invention of the 1800's STEEL! The latest invention of the 1800's STEEL!
Steel.
It was made in the 1800s It was made in the 1800s It was made in the 1800s It was made in the 1800s
One technology that made skyscrapers possible would be the elevator. The other, I suspect is structural steel.
not possible
The high-rise building was made feasible by two things- the low cost availability of structural steel framing, and the invention of the elevator. Without elevators, no one is going to want to live or work on the 35th floor of a building.
A fixed pulley system helped men in the early 1800s construct stone bridges.
it was made in the 1800s
Thwe understanding of a load bearing structural frame where a steel frame supports the entire weight of the walls
Yes, it is possible.
No, it is an ambiguous case: there are two possible configurations.
They were made in the 1800s
It is possible, but the answer depends on the interlocking shapes and the sizes of the pieces.