Need help to ID this keyer
 

I was given this a while back by a friend, unfortunately he had back wired
it and ended its life, does anyone know or recognise this kit/circuit? as I
really need to get hold of parts list/ schematic.

here are some pics.

http://homepage.ntlworld.com/shane.rea/keyer/1.jpg
http://homepage.ntlworld.com/shane.rea/keyer/2.jpg
http://homepage.ntlworld.com/shane.rea/keyer/3.jpg
http://homepage.ntlworld.com/shane.rea/keyer/4.jpg
http://homepage.ntlworld.com/shane.rea/keyer/5.jpg

Thanks in advance for any info

Shane