I’ve been looking at computer graphics and engineering CAD systems for most of my life. I’ve been a more or less continuous user of CAD systems for over thirty years now and I thought I knew most of how it came about. There have been things I never really understood about how the way things worked in CAD as opposed to how a designer or drafter thinks, but I didn’t think to look into that very deeply.
Recently I created a post about the history of machine tools. Here’s that post.
Since I did that post I’ve found some great pictures, links and videos of the tools and how they changed over the years.
Back when I started this blog I posted some pics from the Watts Campbell factory in Newark NJ, a more or less early 20th Century steam engine factory that was stuck in amber for fifty years.
This article appeared on a blog I read.
This is wonderful work.
The casting and engraving work is just incredible.
This Is doing things the HARD way.
This shop is typical of small shops until electric motors became common.