[QuadList] QuadList Digest, Vol 71, Issue 11

Sun May 4 00:20:50 CDT 2014

correct... it is a HF  tripod.
Ed#

In a message dated 5/3/2014 10:05:34 P.M. US Mountain Standard Time,  
ian at chromatronics.com writes:

That  head is a standard head for the  RCA 7 Ghz TVL-1 Microwave link.
It  does have big springs and was not really suited for mounting cameras.
I  believe it was made by Houston fearless as was the tripod.
I lugged them  all over in about 1965 doing OBs with ATN7 in Sydney.

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Subject: QuadList Digest, Vol 71,  Issue 11

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Today's  Topics:

1. Re: RCA Coffin Cam and Friction head-- (was  QuadList    Digest,
Vol 71, Issue 3) (Ted  Langdell)

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

Message:  1
Date: Sat, 3 May 2014 21:58:15 -0700
From: Ted Langdell  <ted at quadvideotapegroup.com>
To: mboland at bolandcom.com, Quad List  <quadlist at quadvideotapegroup.com>
Subject: Re: [QuadList] RCA Coffin  Cam and Friction head-- (was
QuadList    Digest,  Vol 71, Issue 3)
Message-ID:
<1C39E74C-CFB0-474D-B5BF-CFE47D462144 at quadvideotapegroup.com>
Content-Type:  text/plain; charset="us-ascii"

Bob, what is the source of your photo,  if I may ask.  Thanks much for
posting it.

On May 3, 2014, at  10:59 AM, mike at bolandcom.com wrote:
> Does look like a proto. 
>  
Indeed, as Dennis noted. Note that the chrome lettering on the side  says
"Television" not (yet) "Color Television"
> This camera is much  wider and longer than a TK-41, but with vent
intake holes, tally lamps  alongside the turret, and the profile of the
tube VF of the '41 (but  lacking vent louvers?).  Like the early '41s,
the cam shown is using  three monochrome cam cables (were they 28 or 30
pins?), not the 81 pin  connector, that cameras (at least at NBC, as an
in-house conversion?) later  used.
> 
> But fitted with a 3:1 zoom, of all things!   (Varitrol? -anyone 
> remember?)
> 

That would be the lens  with what appears to be a motor on the front and
a cable dangling from  it?

Looking at Bob's picture, it's much easier to see things.

I  think they've done as I suspected:  Bolted a bigger plate to  the
standard head, and then run bolts up through the four corners of  the
plate to lock the camera down.  Counterbalancing would seem to be  an
interesting challenge unless they figured out where the camera's  center
of gravity was with the lenses and such.
> 
> I hope,  like Ted observed, that there were springs in the head. 
> 
There  are: Close up, you see the springs right in the center, and the
standard  friction tilt lock handle on the camera's right side (as viewed
from the  operator's perspective.  Also the RCA serial plate up and to
the right  of the handle. 

One has to wonder how easy (or not) locking the  tilt from the back of
the camera. Did one ask for assistance?

>  Elsewise, tilt very fwd or back and the cam and cameraman would be
doing a  summersault off the top of that scaffold !! 
> 
> (I think I read  that the TK-40 itself was really a proto, with perhaps

> only as few  as three serial numbers produced)
> 
> (RCA MI-12345?  We  used to think that stood for Missing Item)
> 

I believe it stood  for "Master Inventory." Can't remember whether I read
that in an RCA  publication or catalog, heard it from an RCA employee or
read it in a post  somewhere.

> Thanks!
> 
> 
> mike
> 
>  mike at bolandcom.com
> www.bolandcom.com
> Pacific-Los Angeles Time  Zone
> +1 (949) 465-9911 Tel
> +1 (949) 465-9944 Fax
>  ______________________________________________________________
>  

Ted Langdell
Secretary
Skype:      TedLangdell
e-mail:    ted at quadvideotapegroup.com

Eighth  Annual Quad Videotape Group Lunch at NAB:  12:30pm on Tuesday,
April  14, 2015

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