In a message dated 29/04/02, royb1@........... writes:

> Hi gang,
>   Ebay has a "seismograph recording drum" item # 864881377
> The auction ends 5/5. 
> Bob Barns

       The motor under the red tab looks as if it is synchronous (see the 
phase control straps), so you may not be able to alter the drive speed. There 
is no sign of a pen mechanism for writing a trace. I had no difficulty in 
deciding not to bid for this item.

       Regards, 

       Chris Chapman
In a message dated 29/04/02, royb1@........... writes:



Hi gan
g,

  Ebay has a "seismograph recording drum" item # 864881377

The auction ends 5/5. 

Bob Barns




       The motor under the red tab looks as if it is synchronous (see the phase control strap
s), so you may not be able to alter the drive speed. There is no sign of a pen mechanism for writing a trace. I had no difficul
ty in deciding not to bid for this item.



       Regards, 



       Chris Chapman