Intermediate Technology [Was High altitude soldering]

The best world source for appropriate technology is
The Intermediate Technology Development Group:

This group based in the UK seems the best basis for projects
like the Tibetan Project. I have two of their books "Lost wax
casting " and “Metal casting”.

They are a little hard to get in the US. I went to the UK for

Any one interested in this subject should pursue the
considerable output from this group.

I hope Pat knows about this organization.

The old Whole Earth Catalogs also provided some coverage on the
use of appropriate technology.

Another source is the Mother Earth News magazines.:

I don’t know what really came out of the US Peace Corps
although this was part of that program. JESSE