[cctalk] Re: looking for HP 1640B GPIB info

[TerraHertz via cctalk]

Here's the manual for the 1640B HP-IB option board:
  http://everist.org/archives/scans/HP_1640B_OPT_001/

And as a zip file:
  http://everist.org/archives/scans/HP_1640B_OPT_001/HP_1640B_OPT_001.zip  
(4.4MB)