Feldfernsprecher 33 - Field Telephone 33

[gummipuppe]

Very impressive

Why, thanks, bjarne.

 

[bjarne]

need favour

You don't see these too often:

In the face of bombing attacks on German war production and materials shortages, the Feldfernsprecher 43 (FF 43) was developed in 1943 by the Wehrmacht as a cost/material reduced alternative to the Feldfernsprecher 33 (FF33). It had simplified metal hardware, no rubber weather seals for cables, no brackets for attaching a sling, no sling, no sockets for patch cords, no test button, no wiring diagrams or phonetic alphabet guides, and cheap plastic terminals. The receiver also does not have a plug. It's permanently wired into the phone through the battery compartment. The FF 43 was intended to be used only inside fixed fortifications and buildings, not out in the elements on a battlefield. Once replaced with FF 43s, the more durable and weather-resistant FF 33s were sent out on the battlefield to replace phones damaged or lost in combat.

Since FF 43s were so cheaply made, few of them survive. Most of them were discarded after the war. This one is in excellent working condition and the bakelite housing is in great shape. I was pretty lucky to get this example and at an excellent price to boot!

BTW, since I don't have the original type battery for it (no longer sold), I power it off one D cell in a plastic battery holder stuffed down into the battery compartment.



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can you please take the ff 43 out of the bakelit box and post pictures?
the reason is that i got one myself but it need some work
Br bjarne

 

[gummipuppe]

can you please take the ff 43 out of the bakelit box and post pictures?
the reason is that i got one myself but it need some work
Br bjarne

Not right now, but go here:

http://der-fernmelder.de/geraete-der-nachrichtentechnik/ob-43/

The bad thing about the 43 is the lack of wiring diagrams on the telephones themselves and I have never seen any publications showing a wiring diagrams. Good luck.

 

[bjarne]

.......................

Not right now, but go here:

http://der-fernmelder.de/geraete-der-nachrichtentechnik/ob-43/

The bad thing about the 43 is the lack of wiring diagrams on the telephones themselves and I have never seen any publications showing a wiring diagrams. Good luck.

thanks for the link pictures will be shown in an couple of days
br bjarne

 

[bjarne]

SB-Zusatz 33

it works in the way that the person on the other end can detect when the phone is hung up!
its is in working condition
br bjarne

 

[gummipuppe]

it works in the way that the person on the other end can detect when the phone is hung up!
its is in working condition
br bjarne

Nice, bjarne! These are very hard to find at a decent price, especially here in the US.

The Schlusszeichen Betrieb Zusatz (End-pulse System Attachment) was added to the Feldfermsprecher 33 to eliminate the need for the user to turn the crank to signal the operator when the call was ended.

Without the SB Zusatz, after a call ended, the party who received the call would turn the crank on the FF 33 to send current over the line to a solenoid in the switchboard. The solenoid then released a catch holding a small flapper closed. The flapper would then drop, alerting the operator. The operator would then connect to the line and ask if anyone was still on it to verify that the call had actually ended. If no one answered, he would pull the switchboard plug connecting the two parties and reset the flapper for the next call.

If the SB Zusatz was used, at the end of the call, the FF 33 handset was placed on the SB Zusatz cradle. A pulse of current was automatically sent back to the switchboard, causing the small flapper to drop down. Turning FF 33 crank wasn't necessary.

The SB Zusatz was nice because without it, the party called could forget to turn the crank and the line would remain unnecessarily connected on the switchboard. If another call came through, the operator might still think the two parties are communicating with each other and inform the caller that the line was busy. Not good in critical combat situations.

 

[bjarne]

Nice, bjarne! These are very hard to find at a decent price, especially here in the US.

The Schlusszeichen Betrieb Zusatz (End-pulse System Attachment) was added to the Feldfermsprecher 33 to eliminate the need for the user to turn the crank to signal the operator when the call was ended.

Without the SB Zusatz, after a call ended, the party who received the call would turn the crank on the FF 33 to send current over the line to a solenoid in the switchboard. The solenoid then released a catch holding a small flapper closed. The flapper would then drop, alerting the operator. The operator would then connect to the line and ask if anyone was still on it to verify that the call had actually ended. If no one answered, he would pull the switchboard plug connecting the two parties and reset the flapper for the next call.

If the SB Zusatz was used, at the end of the call, the FF 33 handset was placed on the SB Zusatz cradle. A pulse of current was automatically sent back to the switchboard, causing the small flapper to drop down. Turning FF 33 crank wasn't necessary.

The SB Zusatz was nice because without it, the party called could forget to turn the crank and the line would remain unnecessarily connected on the switchboard. If another call came through, the operator might still think the two parties are communicating with each other and inform the caller that the line was busy. Not good in critical combat situations.

Yes i notice the prices 320 euro and up!
I got this one cheap with an working ff 33(the one also pictured)

 

[gummipuppe]

Yes i notice the prices 320 euro and up!
I got this one cheap with an working ff 33(the one also pictured)

I notice one dealer in Germany is charging 350 Euro for an SB Zusatz + FF 33, which isn't bad, considering the prices I've seen in the US.

I've seen prices in Germany of SB Zusatz alone for between 275 and 350 Euro. I would like to own one, but I can't justify the purchase considering these simple devices cost almost as much as my switchboard.

 

[jhv 41]

I found a couple documents prepared by the British Intelligence Objectives Sub-Committee (BIOS) that cover investigation of the German phone industry during the war years. Most of it is geared to the civilian infrastructure but I am sure overlaps with military applications. You can download them here:

http://jmp.sh/uhraQN7


http://jmp.sh/mjMWLKk

 

[gummipuppe]

I found a couple documents prepared by the British Intelligence Objectives Sub-Committee (BIOS) that cover investigation of the German phone industry during the war years. Most of it is geared to the civilian infrastructure but I am sure overlaps with military applications. You can download them ....

You da man! Thanks.

 

[bjarne]

Feldfernsprecher 33 navy

Got this today early ff33 navy notice the yellow stripe on the bakelit housing,and the missing yellow stripe on white label!! i have never seen one before
br bjarne

 

[gummipuppe]

Got this today early ff33 navy notice the yellow stripe on the bakelit housing,and the missing yellow stripe on white label!! i have never seen one before
br bjarne

Fascinating, bjarne. I have never seen one before either! You find such unusual things.

Just so everyone knows, in 1939, the electronics design of the FF 33 was changed to use a lower impedance microphone in the handset. After the change was made, the phones were produced with the green (Heer/SS/Luftwaffe) or yellow (Kreigsmarine) stripe on the white label on top of the lid to indicate that they had the low impedance microphones.

Phones made prior to the change did not have these stripes on the white label. Their electronics were field modified and the microphones were replaced, then apparently, the stripe was painted on the bakelite housing like we see on bjarne's example.

 

[gummipuppe]

Kabel Trommel Tragegestell

My latest toy:

Made in the late 1930s. It's in light green postwar paint, so I will have to strip it and repaint to darker green RAL 6006. Everything is functional. The leather old but in decent shape.

Here are kabel trommel tragegestellinen in operation during WW2:

It was worn on the back to dispense telephone cable and on the chest to take up the cable after it was no longer needed. The bicycle chain and sprockets drive a screw mechanism that distributes the cable evenly back and forth across the spool during take up when the crank is turned. This maximizes the amount of wire that can be held by the spools.

 

[jhv 41]

Neat item. Any inspector markings on this? I was intrigued that generators actually were stamped by a WaA inspector.

 

[gummipuppe]

Neat item. Any inspector markings on this? I was intrigued that generators actually were stamped by a WaA inspector.

Thanks. The only WaA mark that I can see on it is on the crank. Not sure what I'll find when I strip the postwar paint off the support frame. I have another spool that has a WaA mark on it. I wouldn't be surprised if there's a mark under the paint on this spool as well.

 

[bjarne]

.................................

My latest toy:

Made in the late 1930s. It's in light green postwar paint, so I will have to strip it and repaint to darker green RAL 6006. Everything is functional. The leather old but in decent shape.

Here are kabel trommel tragegestellinen in operation during WW2:

It was worn on the back to dispense telephone cable and on the chest to take up the cable after it was no longer needed. The bicycle chain and sprockets drive a screw mechanism that distributes the cable evenly back and forth across the spool during take up when the crank is turned. This maximizes the amount of wire that can be held by the spools.

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nice find im getting one of those someday

 

[gummipuppe]

nice find im getting one of those someday

Thank you, bjarne. It shouldn't be too hard to find one at a good price where you live. The simplified model without the sprockets, chain, and screw drive seem to be very common and cheap.

Here in the US, kabel trommel tragegestellen, like most other WK2 nachrichtentechnik, are very hard to find. I guess there wasn't much telephone equipment brought home by US GI's. On rare occasions when a kabel trommel tragegestell like mine turns up, it's usually priced two or three times what you would pay in Europe and parts are often broken/missing.

 

[gummipuppe]

My feldkabel rückentrage restored:

The leather straps were cleaned with saddle soap and polished. The frame and spool were repainted in postwar green, so I removed the paint and repainted it in the correct WW2 grey-green (RAL 6006). Lastly, I wound half a kilometer of new surplus US Army two-conductor telephone cable onto the spool. The spool winding mechanism works great to distribute the cable evenly across the width of the spool during winding.

 

[bjarne]

fieldtelefone (unknown)

got two today i like to know wich country they are from(notice the wAa)
Edit telephone is VZ35

 

[bjarne]

Feldmesskästchen field tester,and more

Got this today
found in an box under rooftop
Surpriced to notice that the field tester is complete,line transformers not bad either
br bjarne