From 39ae7ca3b733dd4a33602379bfc340019bd12f3c Mon Sep 17 00:00:00 2001 From: Brian Boucheron Date: Mon, 25 Sep 2023 13:16:55 -0400 Subject: [PATCH] Update README.md --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index b33844f..2747a8f 100644 --- a/README.md +++ b/README.md @@ -196,6 +196,8 @@ Blog posts, articles, tutorials, galleries, videos, et cetera. - [CuriousMarc: Refilling or Replacing Vintage HP Plotter Pens](https://www.youtube.com/watch?v=h-oj4HrTH14) - Video showing how to open, clean, and refill vintage HP plotter pens. - [Commodore 1520 Plotter Demonstration](https://www.youtube.com/watch?v=QwPTluBvKLU) - Video of the Commodore 1520 plotter in action, including a cover-off shot of the mechanism. - [Vera Molnar: Toward Aesthetic Guidelines for Paintings with the Aid of a Computer](https://rednoise.org/softas/uploads/molnar.pdf) +- [Tech Tangents: Gold Standard Plotter - HP 7475A](https://www.youtube.com/watch?v=8785ktWD7vQ) - Video with some HPGL and plotter history, plus operating an HP 7475A from an IBM 5160 microcomputer. +- [curiousmarc.com: HP 7475A Plotter](https://www.curiousmarc.com/computing/hp-7475a-plotter) - A great collection of info, ephemera, plot files, three YouTube videos, and a 3d-printable replacement part for the HP 7475A. ## Manuals and Ephemera