hpgl2ps mentioned in the following mail is also availabale from this ftp site: 
nic.funet.fi:pub/sci/graphics/packages/hpgl2ps
nic.funet.fi:pub/sci/graphics/packages/hpgl2ps.tar.Z
nic.funet.fi:pub/msdos/printers/printer/hpgl2ps.lzh

See also:
nic.funet.fi:pub/archive/comp.sources.x/volume10/xhpgl
which contains the xhpgl program for dislaying hpgl files with X-windows 
system. 

        Raimo Uusvuori

----------------------------------------------------------------------------

From schuetz@iacrs2.unibe.ch Thu Jan  7 21:10:59 1993
Date: Mon, 21 Dec 1992 09:39:55 +0100 (NFT)
From: Martin Schuetz <schuetz@iacrs2.unibe.ch>
To: scsupham@reading.ac.uk
Cc: CHEMISTRY@osc.edu
Subject: Re: Convert from HPGL to PostScript ?

> Dear All,
>        I realise this request isn't very chemical but here we go...
> I'd like to find a program that converts Hewlett-Packard GL files into
> PostScript format. Thanks for any help.
> 
> John Upham, Dept. of Chemistry, University of Reading, Berks., RG6 2AD, UK.
> Email: scsupham%susssys1.rdg.ac.uk@uk.ac (BITnet), scsupham@rdg.susssys1
> (Janet)

Try hpgl2ps available from many ftp sites (e.g. iacrs2.unibe.ch,
/public/pub/aix/hpgl2ps.tar.Z)

-- 
Martin Schuetz                              Phone: +41 31 65 42 40
Institute for Physical Chemistry            FAX:   +41 31 65 44 99
University of Berne
Switzerland                                 schuetz@iacrs2.unibe.ch

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