Another "oldest computer" story...

[Ben]

Roger Holmes wrote:

> The relays look similar to the ones my 1301 uses to switch the signals 
> to the front panel indicators and peripheral interlocks (so mine only 
> switch at human speed). Even the markings on the relays look very 
> familiar. I hope they are more reliable than mine though, as the machine 
> seems to be using them for actual computations. I suppose they would be 
> fine with routine maintenance, usually consisting of dragging a bit of 
> punched card between the closed points.

Well at a 2 sec add time, I don't expect relay problems.
Still if the photo is of the whole computer, it is a small
machine for a valve system.

> Roger Holmes.
> 
> 
>