its on amiga.serveftp.net, but thats now down (hope its temporary prob)
BUT here is mirror of simm desoldering page just for ya
http://chain.3dgrafika.cz/temp/amiga...lace_simm_.htm
(Property of A.Hoffmann, hope he doesnt mind for mirror it)
and be cautious, coz soldering with hotair in these hot days (32C here) needs a lot of cold beer!