High-quality black-and-white photographs of large old machines and tools

[CharlesWaugh]

My apologies if this has been posted before, but her's a video about 'America's Iron Giants' - it's all about those monster presses.

Here's the blurb:
"This is the story of America's massive forging presses built during the cold war used to build America's most advanced machinery - the Heavy Press Program. Modern airplanes, missiles, helicopters, turbines - all have parts made on these giant machines!"