I was in grade school in the 1950’s. It was way back then at least as I can remember that there was a big deal made about using the metric system. It was as if the U.S. (English, S.A.,E, etc.) measuring system of feet and inches (and all the rest) was under attack by the Metric system used in Europe and/or the “rest” of the world. It was the world of science and some engineering that was promoting this new “cause”.
As a “kid” what did I know. But I did get the impression that the USA was not going… Continue reading
My daughter is a professional photographer working for a large commercial corporation. Some of the studio cameras use lenses that mount on a lens board as you see here. That is not a real piece of board, but rather a cast aluminum plate. I think the idea is to make lens changes and adjustments easier.
On this one someone bought the lens board with a hole that was too small. Maybe they got a deal? You can always make a hole bigger right? Problem is most people do not know how to make the hole bigger. If they… Continue reading
OK, OK… I have kept this to myself for far too long.
There are lots of wonderful micro machine shop sites on the internet. One of them at the top of my list is called Micro-Machine Shop. Duh? I guess that’s not too hard to remember…
The old site URL was http://www.finelinehair.com/home/index.htm. That’s gone away. I didn’t know what fine line hair meant; I assumed it could be something to do with ultra precise measurement. Alan is a stickler for that, as a machinist should. I shortened the URL and it (he) is linked from a large hair… Continue reading