I have posted the S circular on my web page for anyone interested. http://www.ecr.mu.oz.au/~cmgord/trains/current/tait.pdf -- Chris Gordon http://www.ecr.mu.oz.au/~cmgord +++++++++++++++++++++++++++++++++++++++++++++ e-mail: cmgord@ecr.mu.oz.au e-mail: cmgord@alphalink.com.au (pictures) ICQ: 32989450 Mobile Phone: Number on Request.