Further to my last message, an HP 700/92 text terminal availbale to anyone who will collect. This is one of the models that understands both the HP proprietry escape codes and the DEC/ANSI codes. Uses a non- PS2 keyboard (supplied, not pictured). Has 25 pin D connection for connection to host and a printer port.
More details: http://pelvoux.gotadsl.co.uk/freecycle/index.html
Steve.