Additional pictures of the

Mercury & Carnegie discs.


All kindly taken by Mike Csontos, from the discs in the AWA Electronic Communication Museum located at Bloomfield, NY, USA. To both, many thanks.  Find out more about the Museum at:


Just click on the picture to see it larger.



1. The first disc (T-501) in the Mercury set.




mercury t501tiny

2. The label of T-501, a different colour to T-502.





3. The reverse of a Mercury disc, showing back-sticker.





4. Close-up of back-sticker, this one on green paper.





5. A Carnegie Disc (lessons 5 & 6), these being double-sided.





Page revised 7th May 2006.

Re-formatted 23rd December 2015.