Hello Mr. jez Smith,

There is an excellent EPROM burner at the below web site. They sell it in different forms. Maybe this will help you.

http://batronix.com/electronic/e-shop.shtml

The Batronix Eprommer 3.3 has been developed for amateur constructors as well as small companies that need a programming device for a very affordable price but don't want to give up on functions or support of common memory chips. It Programs EPROM's up to 8 MBit, EEPROMs, Flash-EPROMs (27SF and 29C), Timekeeper and Zeropower RAM's as well as other speciell modules.

1. - Circuit board only $16.95

2. - Kit (circuit board + components), with programmer socket: $34.95
Textool ZIF socket (add $7.95)

3. - Assembled device, tested, with programmer socket: $62.95
Textool ZIF socket (add $7.95)

Regards,

Charles Bannister