Will Matney wrote: >Ian the ISBN number and other details are below. Hope this helps! > >Title: Practical Transformer Design Handbook >Author: Eric Lowden >Publisher: Howard Sams Publishing >Date: 1980 >Sams No.: 21657 >ISBN No.: 0-672-21657-4 Thanks, Will. -- 73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.co.uk/g3sek