If you have a few minutes a very nice youtube of the building of the Empire State Building.
https://www.youtube.com/watch?v=EdDECW5FLAM
The process of building the columns is very interesting.
Printable View
If you have a few minutes a very nice youtube of the building of the Empire State Building.
https://www.youtube.com/watch?v=EdDECW5FLAM
The process of building the columns is very interesting.
I thought sure this thread was going to be about Airstream trailers.
Polished rivets, courtesy The Grumman Iron Works.
Attachment 121845
As a young engineer in the steel industry, I had to place aside my AISC manual when I was assigned to any structural project in the mill that dealt with a building that was pre-WWII. The real talent on a heavy steel project are the crane operators…the iron workers…just plain nuts to this day.