On Friday 10 September 2004 08:49 pm, Tim Williams did deign to grace us
with the following:

"Gary S." Idontwantspam@net wrote in message
...
Some get enough experience that they can eye something to an amazing
degree of accuracy. Just takes 25 years of practice.

After building and molding a pattern, I can estimate how much metal it'll
need to within a half pound. That means at worst, a slightly short pour
and at most, a bit of metal left in the furnace (which pulls out nicely
later). (Check the metalworking part of my website for terms...)

Well, I can do wire sizes and machine screws. :-)