Re: Ruby - How about a sight glass?

[Trent Dowler]

Harry,

  I'd have never thought of using #2-56 threads without a bushing on the
boiler. More food for thought.

Later,
Trent

Harry Wade wrote:

> I could see an electrode being made from
> a #2-56 screw.  In my opinion a thread
> this small could be made straight into 1/16" copper sheet without a bushing
> and be successful.