'Keyboards' from the Edinburgh Waverley and Glasgow Central Train Describers (TD)


In late 1979 I was introduced to the local Train Describers in Edinburgh, Glasgow and Motherwell. The Edinburgh TD (and later Paisley TD) used an Hewlett Packard 21MX computer (HP 1000 M series computer) with this 'keyboard' -

And Glasgow and Motherwell used this one (GEC Elliott 905) -