Comms; Wire

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Field Phones FF33 / OB43 (Feldfernsprecher)

Field phone 33. Click on pic for more, including a "How to wire 3 phones together" diagram. Signal troops in the field carried all the spare equipment in a specially designed pack. Click here to jump to the "Packs" page for a full description.

 

Small Switchboard  10 Lines (Kleiner Klappenschrank zu 10 Leitungen)

10 line telephone switchboard. Click pic for more detail.

 

Throat Mics

 Throat Microphone variations. Above with Slide type switch. Centre pic with turn type switch. Click pic for details Above; The original "Hands Free" kit for fieldphones!

 

Switch detail. Note both have "L" numbers which I assume is Luftwaffe. These mics are terminated with the 5 pin plug for use on the FF33 field phone. 

 

Earth Stake (Erdstecker)

The earthing stake was often used with both radio & wire communications. It can be seen in use with field phones & the switchboard. Earthing one side allows for single wire communications to be run between phones and this makes for both a quicker connection, and no confusion over which wire is earth etc. It does however provide a security problem in that anyone with a phone can easily tap into the wire & simply earth the other side. There is no risk of accidentally earthing the "live" wire & cutting communications thus alerting the enemy to the intercept.

   

Ground stake & carry sheath. Maker marked cdc41 & WaA1* (obscured)

 

Ground stake terminal detail. Marked "R&S" 1940 & WaA although the code is obscured.

 

SB-Zusatz 33                                                 Parallel Connector for Headset                               Extension Lead 

 

 

 

Spare Headpiece in case (Handapparat 33 in Ledertasche)          Telephone Dialer in Case (Amtsanschliesser 33 in Ledertasche)

)

 

Line Transformer in Case (Ringübertrager in Ledertasche)     Single switchboard Unit in Case (Vermittlungskästchen  in Ledertasche)

 

 

Breast Microphone & Accessories in Case                                                   Accessory Case for Artillery (Sprechgarnitur für die Artillerie)

(Brustmikrofon in Ledertasche)

 

 

Tool Case for telephone Troops (Nachrichtentasche für Werkzeug der Fernmeldetruppe)