[Milsurplus] Reversing Manuals

[gl4d21a at juno.com]

Robert:

You know, I can no longer recall the trade name, but one of the few good copying processes back in the 1950s produced negative prints.  Some microfilm (or microfiche, maybe) machines did also.  Been there, done that.  You youngsters missed the good old days.

73,
George
W5VPQ
Come to think of it, I believe the first certified copy of my birth certificate came as a negative.

---------- Original Message ----------
From: WA5CAB at cs.com
To: jfor at quik.com, milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] Reversing Manuals
Date: Sun, 7 Mar 2010 19:08:20 EST

John,

Better quality printer/scanner/copiers will do negative output.  I'd never 
had occasion to use it but I just did a test print of a sheet of TCS 
transmitter calibration cards and it worked fine.  I then took that negative and 
copied it back to positive.  The machine here is a Xerox WC5638.  If you can't 
find anyone around there with a good machine, send it down here and I'll 
reverse it.

I am curious, however, as to why someone would have made a negative.

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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