[Milsurplus] [MMRCG] Aircraft Radio Corporation "Circle M" Sets - Photo

[Al Klase]

Robert,

Perhaps it was mentioned before, but "M" stood for "Morgue," and was the 
internal collection at Aircraft Radio Corp.  (The Morgue is what 
newspapers call their collection of back issues.)  I'll bet there's a 
story as to how these radios escaped or were saved from the dumpster.

Al

You guys might want to mine the MRCA Photo Gallery 
<http://www.mrca.ar88.net/photo_gallery/default.html>.  Pages goes back 
to Y2K at the Tobyhanna Depot.

On 4/29/2019 12:43 PM, Robert P. Meadows wrote:
>
> Have been reading the mail about the Circle M radios, and with the 
> pics provided by Gordon White, sort of understand what the mail has 
> been about.
>
> Having never seen such, as in the years when an ARC 5 radio was a buck 
> or so, and was still due to my budget a careful purchase, such radios 
> were seldom available to a young kid.
>
> Even tho there were lots of radios available for, by today’s 
> standards, bargain prices.  Example complete TCS, in the crates, at 
> the local junk yard in Norfolk, Va for $25 bucks for the kid.
>
> BUT, we all thought little of it, as there was little information 
> available on running the radios, but, there were the “Conversion 
> Manuals” which basically destroyed perfectly functional
>
> Radio sets. To me the Circle M, would indicate model/master as in the 
> baseline accepted initial production unit.  In the manufacture of 
> firearms, back before CNC machining when each part was made on either 
> dedicated machines, or a set of same by machinists, there were GAGE 
> BLOCK firearms, that were utilized for quality control and measurement 
> of production parts.
>
> I note in the fine set of pics, the last one showing a BC186 set, the 
> Mule Pack radio.  I had two, let the ratty one go, as it was missing 
> two of the meters.  The one I have remaining is essentially NEW in its 
> case, with some wear to the outside of the case.  The only problem is 
> I only have the radio, not the spares box which contained the tubes, 
> generator, antenna and etc.  Of course the key is missing from its 
> mounting place on the radio cover/desk top.  If anyone is interested 
> in taking on the project to install tubes and make an operational 
> radio please advise.  I have too many other projects to
>
> Get to, with the latest, completed less final installation 
> instructions for replacing the “unobtanium” Oak Switch in the Collins 
> KWM2 with a readily available microswitch, in such manner that the 
> modification is as easy to reverse as to install. The making of the 
> parts for the Modification took a bit of time, as well as the tooling 
> to form the parts.
>
> Cheers All
>
> Robert
>
> W4RRD
>
> *From:*milsurplus-bounces at mailman.qth.net 
> <milsurplus-bounces at mailman.qth.net> *On Behalf Of *Al Klase
> *Sent:* Monday, April 29, 2019 10:42 AM
> *To:* MMRCG at groups.io; ARC-5 <arc5 at mailman.qth.net>; 
> milsurplus at mailman.qth.net
> *Subject:* Re: [Milsurplus] [MMRCG] Aircraft Radio Corporation "Circle 
> M" Sets - Photo
>
> Dave, agreed.
>
> Gordon Elliot White is the expert on this subject.  There's a picture 
> here 
> <http://www.mrca.ar88.net/photo_gallery/2002_meet_pix/meet_pix.html>.  
> (Scroll down)
>
> Al
>
> On 4/29/2019 1:27 AM, David Stinson wrote:
>
>     Several people have asked about the "Circle M"
>
>     marking on the one-of-a-kind, unique
>
>     Aircraft Radio Corporation "Morgue" sets,
>
>     which were the first of a model off the line
>
>     and kept as a production example.
>
>     They are unique and should be carefully preserved,
>
>     including some arraignment made for a new
>
>     care-taker
>
>     when the time comes.   Have attached a photo
>
>     of the marking, which can show-up on any piece
>
>     produced by A.R.C., such as shock mounts, control
>
>     boxes, cabling etc.  If one of these is lost or
>
>     destroyed, there is no other of that piece.
>
>     It is lost forever.
>
>     GL OM ES 73 DE Dave AB5S
>
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> -- 
> Al Klase – N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/

-- 
Al Klase – N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/

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