RH

Rob H.

06/03/2014 1:05 AM

What is it? Set 535

I need some help with 3122 and 3126 in this week's set:

http://55tools.blogspot.com/

Larger images:

http://imgur.com/a/D6d8p


Rob


This topic has 34 replies

TS

Ted Schuerzinger

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 3:12 PM

On Sat, 8 Mar 2014 14:50:28 -0500, Lee Michaels wrote:

>>> Whether we "need" it or not has nothing to do with the challenge.
>>> Obviously, most of these items are obsolete as of the current date.
>>
>> But some of them are Not obsolete as examples of man's creativity and
>> ingenuity!
>> That's part of the beauty of it.
>>
> Talking to yourself again Bill??
> :-)

At least that way he's guaranteed an intelligent conversation! ;-)

--
Ted S.
fedya at hughes dot net
Now blogging at http://justacineast.blogspot.com

ld

lektric dan

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 1:32 PM

3125 is a pecan sheller. Looks like a Duke Co. #125. Might be a "Texan" brand.

LM

"Lee Michaels"

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 9:24 AM



"Alexander Thesoso" <[email protected]> wrote in message
news:[email protected]...
> 3124 This is a Necker Knob. It clamps on to a car steering wheel, so
> that the driver can steer with one hand while the other hand is otherwise
> occupied. They sort-of faded into obscurity with the introduction of
> power steering.
> Truck drivers have also occasionally used them.
>
Very common where I grew up. All work trucks had them.

They were called suicide knobs. Because people would get their shirt
sleeves tangled up in them and crash their vehicle.


LM

"Lee Michaels"

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 2:50 PM



"Bill" <[email protected]> wrote in message
news:[email protected]...
> Bill wrote:
>> Stormin Mormon wrote:
>>> On 3/7/2014 6:52 PM, Bill wrote:
>>>> Stormin Mormon wrote:
>>>>>> http://55tools.blogspot.com/2014/03/set-535.html#answers
>>>>>>
>>>>> I'm glad at least a couple of them can be identified.
>>>>> Such a loss when people have no idea what it is.
>>>>>
>>>>
>>>> What loss? We just need to think harder! ; )
>>>
>>> Or maybe it's an item we no longer need,
>>> like buggy whip straightener.
>>>
>>
>> Whether we "need" it or not has nothing to do with the challenge.
>> Obviously, most of these items are obsolete as of the current date.
>
> But some of them are Not obsolete as examples of man's creativity and
> ingenuity!
> That's part of the beauty of it.
>
Talking to yourself again Bill??
:-)


DN

Dr Nick

in reply to Rob H. on 06/03/2014 1:05 AM

07/03/2014 7:30 AM

"DoN. Nichols" <[email protected]> writes:

> On 2014-03-06, Rob H <[email protected]> wrote:
>> I need some help with 3122 and 3126 in this week's set:
>>
>> http://55tools.blogspot.com/
>>
>> Larger images:
>>
>> http://imgur.com/a/D6d8p
>
> Posting from the usenet newsgroup rec.crafts.metalworking as always.
>
> 3122) This looks like part of an early and special purpose color
> TV camera. Each lens focuses onto a different B&W videcon,
> through a different color filter, and the different apertures
> are to balance out the relative light loss in the filters.
>
> If the lenses were larger and more widely spaced, I would think
> that it was an early projection TV -- back when there were three
> different CRTs, each with a different color phosphor.
>
> At a guess, this was for converting movie film to video tape.

I like this theory a lot.

> 3124) A "Necker's Knob". It clamps onto a steering wheel allowing
> the driver to steer with a single hand, while the other arm is
> around his girlfriend.
>
> They were common in the 1950s and maybe the early 1960s.
>
> These were reputed to be rather dangerous in use.

I've seen similar things these days to enable one-armed people to drive.

SM

Stormin Mormon

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 8:02 AM

On 3/7/2014 6:52 PM, Bill wrote:
> Stormin Mormon wrote:
>>> http://55tools.blogspot.com/2014/03/set-535.html#answers
>>>
>> I'm glad at least a couple of them can be identified.
>> Such a loss when people have no idea what it is.
>>
>
> What loss? We just need to think harder! ; )

Or maybe it's an item we no longer need,
like buggy whip straightener.

--
.
Christopher A. Young
Learn about Jesus
www.lds.org
.

mk

mungedaddress

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 11:26 AM

3121: Part of a telegraph system?
3122: Part of a camera zoom / blow up system
3123: wrench, but for what?
3124: suicide knob?
3125: Crimpers, but for what?
3126: tip of a gas burner?

On 3/6/2014 4:05 AM, Rob H. wrote:
> I need some help with 3122 and 3126 in this week's set:
>
> http://55tools.blogspot.com/
>
> Larger images:
>
> http://imgur.com/a/D6d8p
>
>
> Rob
>

SM

Stormin Mormon

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 6:58 AM

On 3/6/2014 4:05 AM, Rob H. wrote:
> I need some help with 3122 and 3126 in this week's set:
>
> http://55tools.blogspot.com/
>
> Larger images:
>
> http://imgur.com/a/D6d8p
>
>
> Rob
>
Posting from my desk top PC in the living
room, as always. Windows XP is getting old,
some help wanted web sites won't upload resume
with this OS.

3121, fixed value resistor, for testing equipment.
3122, my gut sense is this is a lens for movie
camera.
3123, be interesting if the solid end was open
socket of some kind. Not familiar.
3124, fence repair tool. Turn the black knob to
tighten the two straps to hold the fence wire.
3125, fence repair tool. Clips off the ends of
fence posts and catches the pieces.
3126, maybe burner gun from a natural gas
furnace?


--
.
Christopher A. Young
Learn about Jesus
www.lds.org
.

SM

Stormin Mormon

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 4:26 PM

On 3/6/2014 4:24 PM, shazzbat wrote:
> "Rob H." <[email protected]> wrote in message
> news:[email protected]...
>> I need some help with 3122 and 3126 in this week's set:
>>
>> http://55tools.blogspot.com/
>>
>> Larger images:
>>
>> http://imgur.com/a/D6d8p
>
>
> 3121 A fence tool.
> 3122 A fence tool.
> 3123 A fence tool.
> 3124 A fence tool.
> 3125 A fence tool.
> 3126 A fence tool.
>
>
> A tense fool.
>
>
Thanks. First time in days I've
laughed out loud. Very well done,
my friend.

--
.
Christopher A. Young
Learn about Jesus
www.lds.org
.

LL

LdB

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 12:10 PM

On 3/6/2014 8:28 AM, Leon wrote:
> On 3/6/2014 8:24 AM, Lee Michaels wrote:
>>
>>
>> "Alexander Thesoso" <[email protected]> wrote in message
>> news:[email protected]...
>>> 3124 This is a Necker Knob. It clamps on to a car steering wheel, so
>>> that the driver can steer with one hand while the other hand is
>>> otherwise occupied. They sort-of faded into obscurity with the
>>> introduction of power steering.
>>> Truck drivers have also occasionally used them.
>>>
>> Very common where I grew up. All work trucks had them.
>>
>> They were called suicide knobs. Because people would get their shirt
>> sleeves tangled up in them and crash their vehicle.
>>
>>
>>
>
>
>
> That is what they were called where I grew up too. When I was in
> school an automotive store that I worked for part time sold them with
> the newer material called Lucite. LOL

At the age of ten I was driving all sorts of vehicles on the farm. One
was an old three ton truck, manual everything. I had to hold on to the
suicide knob with both hands to turn the wheel when the truck was
stopped or moving slowly in bullow.

A bit more info.

http://en.wikipedia.org/wiki/Brodie_knob

LdB

SM

Stormin Mormon

in reply to Rob H. on 06/03/2014 1:05 AM

07/03/2014 6:22 PM

On 3/7/2014 4:46 PM, Rob H. wrote:
> The rest of this week's set have been properly identified:
>
> http://55tools.blogspot.com/2014/03/set-535.html#answers
>
> If the resistor looks familiar it's because I posted it once before around seven
> years ago.
>
>
> Rob
>
I'm glad at least a couple of them can be identified.
Such a loss when people have no idea what it is.

--
.
Christopher A. Young
Learn about Jesus
www.lds.org
.

js

jim <"sjedgingN0Sp"@[email protected]>

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 5:19 PM



"Rob H." wrote:
>
> >3121, fixed value resistor, for testing equipment.
>
> Yep
>
> >3122, my gut sense is this is a lens for movie
> >camera.
>
> I would guess this is right but I don't know for sure.
>
> >3123, be interesting if the solid end was open
> >socket of some kind. Not familiar.
>
> The solid end doesn't have an open socket, this tool is automobile related.

The wrench has a visible part no. K-D 3282 and google search reveals
that it is a weighted wrench for adjusting the timing belt
tension on a chrysler engines.

See picture with description
http://i34.tinypic.com/2v29t11.jpg

-jim

---
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Lr

Larry

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 11:13 PM

Rob H. <[email protected]> wrote in news:lf9dp601r02
@drn.newsguy.com:

> I need some help with 3122 and 3126 in this week's set:
>
> http://55tools.blogspot.com/
>
> Larger images:
>
> http://imgur.com/a/D6d8p
>
>
> Rob
>

3125 is a nut cracker.

k

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 1:02 AM

On Thu, 06 Mar 2014 06:07:33 -0500, Alexander Thesoso
<[email protected]> wrote:

>3121 This is a four-terminal resistor. It is used in precision
>measurement. The current goes in and out through the large outer
>terminals, and voltage is measured across the puny inner terminals.
>This separates the effect of voltage drop across the current terminals
>from the true voltage at the inner terminals.

It's called a "Kelvin connection", though the only thing the extra
terminals do is nullify any error caused by the leads on the resistor
itself. You don't need a four-terminal resistor to use a Kelvin
connection.

GA

Gunner Asch

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 6:34 PM

On Thu, 06 Mar 2014 06:03:09 -0500, Alexander Thesoso
<[email protected]> wrote:

>3124 This is a Necker Knob. It clamps on to a car steering wheel, so
>that the driver can steer with one hand while the other hand is
>otherwise occupied. They sort-of faded into obscurity with the
>introduction of power steering.
>Truck drivers have also occasionally used them.
>
>
>On 3/6/2014 4:05 AM, Rob H. wrote:

Some states they are illegal to use. One can get hung up in the
steering knob at the worst possible moment.

We do see them fairly regularly on forklifts..but OSHA may have quased
that as well.

I have one on a shelf somewhere that is spring loaded and folds itself
flat to the wheel when its released. One of these days Ill put it on
my forklift




--

"
I was once told by a “gun safety” advocate back in the Nineties
that he favored total civilian firearms confiscation.
Only the military and police should have weapons he averred and what did I think about that?

I began to give him a reasoned answer and he
cut me off with an abrupt, “Give me the short answer.”

I thought for a moment and said, “If you try to take our firearms we will kill you.”"

---
This email is free from viruses and malware because avast! Antivirus protection is active.
http://www.avast.com

Ll

Leon

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 8:28 AM

On 3/6/2014 8:24 AM, Lee Michaels wrote:
>
>
> "Alexander Thesoso" <[email protected]> wrote in message
> news:[email protected]...
>> 3124 This is a Necker Knob. It clamps on to a car steering wheel, so
>> that the driver can steer with one hand while the other hand is
>> otherwise occupied. They sort-of faded into obscurity with the
>> introduction of power steering.
>> Truck drivers have also occasionally used them.
>>
> Very common where I grew up. All work trucks had them.
>
> They were called suicide knobs. Because people would get their shirt
> sleeves tangled up in them and crash their vehicle.
>
>
>



That is what they were called where I grew up too. When I was in school
an automotive store that I worked for part time sold them with the newer
material called Lucite. LOL

AT

Alexander Thesoso

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 6:03 AM

3124 This is a Necker Knob. It clamps on to a car steering wheel, so
that the driver can steer with one hand while the other hand is
otherwise occupied. They sort-of faded into obscurity with the
introduction of power steering.
Truck drivers have also occasionally used them.


On 3/6/2014 4:05 AM, Rob H. wrote:

AT

Alexander Thesoso

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 6:07 AM

3121 This is a four-terminal resistor. It is used in precision
measurement. The current goes in and out through the large outer
terminals, and voltage is measured across the puny inner terminals.
This separates the effect of voltage drop across the current terminals
from the true voltage at the inner terminals.

On 3/6/2014 4:05 AM, Rob H. wrote:

Nr

NamPhong <[email protected]>

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 8:14 AM

On 3/6/2014 3:05 AM, Rob H. wrote:
> I need some help with 3122 and 3126 in this week's set:
>
> http://55tools.blogspot.com/
>
> Larger images:
>
> http://imgur.com/a/D6d8p
>
>
> Rob
>
This is the combination wrench/handle of a cleaning rod for a
semi-automatic military rifle or machine gun. The wrench end is for
removing the gas piston for cleaning also. Don't know for which one
exactly as there is a lot of similarity between them.

ss

"shazzbat"

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 9:24 PM


"Rob H." <[email protected]> wrote in message
news:[email protected]...
>I need some help with 3122 and 3126 in this week's set:
>
> http://55tools.blogspot.com/
>
> Larger images:
>
> http://imgur.com/a/D6d8p


3121 A fence tool.
3122 A fence tool.
3123 A fence tool.
3124 A fence tool.
3125 A fence tool.
3126 A fence tool.


A tense fool.

RH

Rob H.

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 2:29 PM


>This is the combination wrench/handle of a cleaning rod for a
>semi-automatic military rifle or machine gun. The wrench end is for
>removing the gas piston for cleaning also. Don't know for which one
>exactly as there is a lot of similarity between them.


Thanks! After doing some searching I'm pretty sure it's for an M14.

RH

Rob H.

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 2:33 PM

In article <[email protected]>, Alexander Thesoso says...
>
>3121 This is a four-terminal resistor. It is used in precision
>measurement. The current goes in and out through the large outer
>terminals, and voltage is measured across the puny inner terminals.
>This separates the effect of voltage drop across the current terminals
>from the true voltage at the inner terminals.
>
>On 3/6/2014 4:05 AM, Rob H. wrote:
>


Resistor is correct.

RH

Rob H.

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 2:36 PM


>3121, fixed value resistor, for testing equipment.

Yep

>3122, my gut sense is this is a lens for movie
>camera.

I would guess this is right but I don't know for sure.

>3123, be interesting if the solid end was open
>socket of some kind. Not familiar.

The solid end doesn't have an open socket, this tool is automobile related.


>3124, fence repair tool. Turn the black knob to
>tighten the two straps to hold the fence wire.
>3125, fence repair tool. Clips off the ends of
>fence posts and catches the pieces.
>3126, maybe burner gun from a natural gas
>furnace?
>
>

RH

Rob H.

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 2:38 PM


>3121 A fence tool.
>3122 A fence tool.
>3123 A fence tool.
>3124 A fence tool.
>3125 A fence tool.
>3126 A fence tool.
>
>
>A tense fool.


Good one! Though believe it or not I didn't post a single fence tool this week.

RH

Rob H.

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 4:25 PM



>3125 is a nut cracker.


This is correct.

RH

Rob H.

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 4:32 PM


>The wrench has a visible part no. K-D 3282 and google search reveals
>that it is a weighted wrench for adjusting the timing belt
>tension on a chrysler engines.
>
>See picture with description
>http://i34.tinypic.com/2v29t11.jpg


Good job, you nailed it.

RH

Rob H.

in reply to Rob H. on 06/03/2014 1:05 AM

07/03/2014 1:46 PM


>3122) This looks like part of an early and special purpose color
> TV camera. Each lens focuses onto a different B&W videcon,
> through a different color filter, and the different apertures
> are to balance out the relative light loss in the filters.
>
> If the lenses were larger and more widely spaced, I would think
> that it was an early projection TV -- back when there were three
> different CRTs, each with a different color phosphor.
>
> At a guess, this was for converting movie film to video tape.


Sounds like a good answer to me but I'm still looking for a reference.

The rest of this week's set have been properly identified:

http://55tools.blogspot.com/2014/03/set-535.html#answers

If the resistor looks familiar it's because I posted it once before around seven
years ago.


Rob

BB

Bill

in reply to Rob H. on 06/03/2014 1:05 AM

07/03/2014 6:52 PM

Stormin Mormon wrote:
> On 3/7/2014 4:46 PM, Rob H. wrote:
>> The rest of this week's set have been properly identified:
>>
>> http://55tools.blogspot.com/2014/03/set-535.html#answers
>>
>> If the resistor looks familiar it's because I posted it once before
>> around seven
>> years ago.
>>
>>
>> Rob
>>
> I'm glad at least a couple of them can be identified.
> Such a loss when people have no idea what it is.
>

What loss? We just need to think harder! ; )

BB

Bill

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 2:12 PM

Stormin Mormon wrote:
> On 3/7/2014 6:52 PM, Bill wrote:
>> Stormin Mormon wrote:
>>>> http://55tools.blogspot.com/2014/03/set-535.html#answers
>>>>
>>> I'm glad at least a couple of them can be identified.
>>> Such a loss when people have no idea what it is.
>>>
>>
>> What loss? We just need to think harder! ; )
>
> Or maybe it's an item we no longer need,
> like buggy whip straightener.
>

Whether we "need" it or not has nothing to do with the challenge.
Obviously, most of these items are obsolete as of the current date.

BB

Bill

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 2:27 PM

Bill wrote:
> Stormin Mormon wrote:
>> On 3/7/2014 6:52 PM, Bill wrote:
>>> Stormin Mormon wrote:
>>>>> http://55tools.blogspot.com/2014/03/set-535.html#answers
>>>>>
>>>> I'm glad at least a couple of them can be identified.
>>>> Such a loss when people have no idea what it is.
>>>>
>>>
>>> What loss? We just need to think harder! ; )
>>
>> Or maybe it's an item we no longer need,
>> like buggy whip straightener.
>>
>
> Whether we "need" it or not has nothing to do with the challenge.
> Obviously, most of these items are obsolete as of the current date.

But some of them are Not obsolete as examples of man's creativity and
ingenuity!
That's part of the beauty of it.

Bill

BB

Bill

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 5:10 PM

Lee Michaels wrote:
>
>
> "Bill" <[email protected]> wrote in message
> news:[email protected]...
>> Bill wrote:
>>> Stormin Mormon wrote:
>>>> On 3/7/2014 6:52 PM, Bill wrote:
>>>>> Stormin Mormon wrote:
>>>>>>> http://55tools.blogspot.com/2014/03/set-535.html#answers
>>>>>>>
>>>>>> I'm glad at least a couple of them can be identified.
>>>>>> Such a loss when people have no idea what it is.
>>>>>>
>>>>>
>>>>> What loss? We just need to think harder! ; )
>>>>
>>>> Or maybe it's an item we no longer need,
>>>> like buggy whip straightener.
>>>>
>>>
>>> Whether we "need" it or not has nothing to do with the challenge.
>>> Obviously, most of these items are obsolete as of the current date.
>>
>> But some of them are Not obsolete as examples of man's creativity and
>> ingenuity!
>> That's part of the beauty of it.
>>
> Talking to yourself again Bill??
> :-)
>
>
I won't go into details, but I've made a career out of being able to
talk with myself!
Sometime the arguments get really heated! ; )


BB

Bill

in reply to Rob H. on 06/03/2014 1:05 AM

08/03/2014 5:15 PM

Bill wrote:
> Lee Michaels wrote:
>>
>>
>> "Bill" <[email protected]> wrote in message
>> news:[email protected]...
>>> Bill wrote:
>>>> Stormin Mormon wrote:
>>>>> On 3/7/2014 6:52 PM, Bill wrote:
>>>>>> Stormin Mormon wrote:
>>>>>>>> http://55tools.blogspot.com/2014/03/set-535.html#answers
>>>>>>>>
>>>>>>> I'm glad at least a couple of them can be identified.
>>>>>>> Such a loss when people have no idea what it is.
>>>>>>>
>>>>>>
>>>>>> What loss? We just need to think harder! ; )
>>>>>
>>>>> Or maybe it's an item we no longer need,
>>>>> like buggy whip straightener.
>>>>>
>>>>
>>>> Whether we "need" it or not has nothing to do with the challenge.
>>>> Obviously, most of these items are obsolete as of the current date.
>>>
>>> But some of them are Not obsolete as examples of man's creativity
>>> and ingenuity!
>>> That's part of the beauty of it.
>>>
>> Talking to yourself again Bill??
>> :-)
>>
>>
> I won't go into details, but I've made a career out of being able to
> talk with myself!
> Sometime the arguments get really heated! ; )
>
>
>

Yeah, and he's stubborn too!

DN

"DoN. Nichols"

in reply to Rob H. on 06/03/2014 1:05 AM

06/03/2014 11:21 PM

On 2014-03-06, Rob H <[email protected]> wrote:
> I need some help with 3122 and 3126 in this week's set:
>
> http://55tools.blogspot.com/
>
> Larger images:
>
> http://imgur.com/a/D6d8p

Posting from the usenet newsgroup rec.crafts.metalworking as always.

3121) A current-measuring shunt resistor.

The current is applied to the two large binding posts and goes
directly into the ribbon of metal.

The two small binding posts are connected to the ribbon via what
appears to be spot welds (the small wires about an inch from
each large binding post).

The position of the spot welds is to set a precise resistance so
you have a precise voltage across the small binding posts for a
given current.

Most current shunts are for 50 mV at the full rated current, but
this looks like a significantly larger resistance for the
current capability of the metal ribbon and thus a higher
voltage. It might be as high as 1V at fullrated current, which
suggests that it was also used in circuits with relatively high
voltages.

3122) This looks like part of an early and special purpose color
TV camera. Each lens focuses onto a different B&W videcon,
through a different color filter, and the different apertures
are to balance out the relative light loss in the filters.

If the lenses were larger and more widely spaced, I would think
that it was an early projection TV -- back when there were three
different CRTs, each with a different color phosphor.

At a guess, this was for converting movie film to video tape.

3123) This looks like a throttle lever for a multi-engine aircraft.

3124) A "Necker's Knob". It clamps onto a steering wheel allowing
the driver to steer with a single hand, while the other arm is
around his girlfriend.

They were common in the 1950s and maybe the early 1960s.

These were reputed to be rather dangerous in use.

3125) No real idea. A second view might help. It sort of looks like
there is a half cylinder behind the jaws to hold something. if
the teeth were staggered, I would think that it might be to
perforate something. It might be for something like breaking a
poker chip in half.

3126) Strange. It at first looks like a flash hider for a weapon,
except that the part which would slide over the barrel is
occupied by something else, which sort of looks like a wrench
for removing some part of the same weapon (the hex hole).

The color looks like Army battle gear of some sort.

But I *think* that is is some kind of flame torch. The fuel is
put into a part in the hex hole, which squirts the fuel into
the tube, where it is ignited. The holes surrounding the end
feed in more air to increase the burning rate near the point of
exit.

Perhaps part of a flame thrower.

Now to post this and then see what others have suggested.

Enjoy,
DoN.

--
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DN

"DoN. Nichols"

in reply to Rob H. on 06/03/2014 1:05 AM

09/03/2014 4:43 AM

On 2014-03-07, Rob H <[email protected]> wrote:
>
>>3122) This looks like part of an early and special purpose color
>> TV camera. Each lens focuses onto a different B&W videcon,
>> through a different color filter, and the different apertures
>> are to balance out the relative light loss in the filters.
>>
>> If the lenses were larger and more widely spaced, I would think
>> that it was an early projection TV -- back when there were three
>> different CRTs, each with a different color phosphor.
>>
>> At a guess, this was for converting movie film to video tape.
>
>
> Sounds like a good answer to me but I'm still looking for a reference.

I'll bet that you could get the information from GE, since it
has the part numbers on it.

> The rest of this week's set have been properly identified:
>
> http://55tools.blogspot.com/2014/03/set-535.html#answers
>
> If the resistor looks familiar it's because I posted it once before around seven
> years ago.

Oh -- before I started posting in this thread, I think. Anyway,
the resistance and current on that support my interpretation there --
the full-scale voltage is significantly higher than most modern shunts
(which aim for 50 mV full scale. This one is 1.5 V full scale, (or 1500
mV if you prefer).

Enjoy,
DoN.

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