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[Vintage Computer Festival]

On Mon, 24 Jan 2005, Tom Ponsford wrote:

> A functioning Tektronix 4051 Graphics system w/Data Communication Interface.
> (circa 1976)

What a coincidence (re: me referring to it earlier today).

> it also came with the RS232 Printer interface
>
> and the following documentation:
>   4051 Graphic Systems Operation Manual
>   Plot 50 Introduction to Programming in Basic
>   4051 Graphic System Reference
>   Reference Guide to 4051 Basic
>   4050 Series Basic Reference Guide
> amd 4051 Option 10 RS232 Printer Interface guide

Very nice!

> What is really wierd is that I wrote some programs in Basic for this machine
> in 1977 using some of the built-in vector graphics routines, when I worked at
> the Defense Mapping Agency, now called the National GeoSpatial Intelligence
> Agency. I still have the tape cartridge (200K !!) when I loaded the tape...
> presto... instant retro memories. I even wrote some notes to myself!! ( Note
> to Homeland Security and to anyone else reading this email..It was NOT
> classified!!)

If you're wanting/needing a "Plot 50" tape I have an extra.  Let me know
(private reply, please).

-- 

Sellam Ismail                                        Vintage Computer Festival
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International Man of Intrigue and Danger                http://www.vintage.org

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