On Mon, Nov 2, 2020 at 01:17 AM, <email@example.com> wrote:
The Tek HC100 is actually an Epson HI-80.
I don't have a spare GPIB interface but I have a box full of pens and I can send you a few for the cost of shipping.
Although they are in the original sealed bag the are old and might be have dried out anyway.
Contact me off list if you are interested.