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John Bell A/D converter



Hi,
 Does any body have the Instuctions for one of these. Or the software
for these. That would be a 16 channel  A to D converter by John Bell
Engineering 81-132 copyright 1981 Made in the USA. Has 2 16 pin sockets,
that  have DB 9s sodered to the other side with 2 resistors 10,000 ohm
reistors on each DB 9.
 Thanks for any info.
                     George from Michigan