What are these IBM 'thingys'

[leaknoil]

Ah got it.  The connector thing didn't make sense until I thought about 
it reversed.  Makes sense now. The flanged side threw me.

On 10/25/2010 7:49 PM, Al Kossow wrote:
> On 10/25/10 7:26 PM, leaknoil wrote:
>> It looks to me like a punch card exactly fits in there and the 
>> contacts are what read the holes in the card.
>
> nope
>
> cards are read with 12 brushes
>
> they appear to be the cover connectors for interconnecting cables
>
>