[Milsurplus] OS-8C/U

[hwhall at compuserve.com]

Just a thought...it might result in a cleaner looking graticule sheet if the original graticule were scanned at high resolution, the resulting image file taken into a photo editor program and cleaned/touched up, then take that file to the print shop (or your own printer) and print the image on a transparency sheet.
 

 Wayne
WB4OGM

 

-----Original Message-----
From: Tom Chirhart via Milsurplus <milsurplus at mailman.qth.net>
To: Michael Bittner <mmab at cox.net>
Cc: <milsurplus at mailman.qth.net> <milsurplus at mailman.qth.net>; Ralph Cameron <ramcam at magma.ca>
Sent: Mon, Apr 27, 2015 12:15 pm
Subject: Re: [Milsurplus] OS-8C/U


I have a NOS OS-8 B/U somewhere in the basement. I will look for it and make a
photo copy of the graticule for you. You can take it to FedEx Kinkos and have a
copy made... Give me a day or two!
73
Tom K4NCG

Sent from my iPad

> On
Apr 27, 2015, at 12:26 PM, Michael Bittner <mmab at cox.net> wrote:
> 
>
Gentleman,
> Thanks for your replies.  I guess the trick is to copy a picture
of a graticule on some transparent plastic.  I did find a good picture of a
generic graticule with Google.
> 73, Mike W6MAB
> -
> -
> 
> ----- Original
Message ----- From: "Bill Cromwell" <wrcromwell at gmail.com>
> To:
<milsurplus at mailman.qth.net>
> Sent: Sunday, April 26, 2015 5:37 PM
> Subject:
Re: [Milsurplus] OS-8C/U
> 
> 
>> Hi,
>> 
>> I have made things like that
in the past by printing on flimsies - overhead projector sheets. I don't even
know if those are available any more. The reaper is chasing me and more an more
of my world is disappearing behind me. Check with your office supply people.
>>

>> 73,
>> 
>> Bill  KU8H
>> 
>> What's that noise back there?
>> Bill, I
don't know what you are referring to here??? Mike
>> 
>>> On 04/26/2015 06:11
PM, Michael Bittner wrote:
>>>   Found an OS-8C/U scope in perfect cosmetic
condition yesterday at the TRW swap meet and couldn't pass it up even though I
already have and HP 100 MHz scope.  It even has the original test leads and
spare fuses. Brought it up slowly on the variac and got no complaints from the
electrolytics or anything else.  I checked it out in accordance with the manual
and found everything works perfect.  Nice traces on all frequencies within its
range and centering controls put the dot right in the center at half rotation on
each. I'd expected there to be some off-center operation due to resistance value
changes, but none occurred.
>>> 
>>>   So, what's the problem?  The problem
is, missing graticule.  Anyone know where I can get an original or reproduction
graticule, or even instructions on how to make one?  I suspect that a graticule
that fits most any 3-inch diameter scope tube like the 3RP1 in the OS-8 would
work. Any information would be much appreciated.  Mike, W6MAB
>>> 
>>> 
>>

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