Mumetal isn't going to work as a transformer core - unless all you want is gobs of heat :) Bob On Wed, Apr 16, 2014, at 08:05 AM, RussellMc wrote: > On 17 April 2014 01:31, Graham Foulkes wrote: >=20 >=20 > > ... > > maybe MUmetal > > ... > > >=20 > and, if so, of potentially significant value for other purposes, unless > the > transformer is an especially valued one. >=20 >=20 > R --=20 http://www.fastmail.fm - Or how I learned to stop worrying and love email again --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .