TRANSMITTERS


Click here for Transmitter Insets

Transmitter No. 1

Standard Transmitter for C.B. telephones.  Uses a Mouthpiece No. 4.

 

 
Transmitter No. 2

Standard Transmitter for L.B. telephones.  Uses a Mouthpiece No. 4.

 

 
Transmitter No. 3

L.B. Deckert transmitter

 

 
Transmitter No. 4

L.B. Breastplate transmitter used by operators on primary battery trunk exchanges.

 

 
Transmitter No. 5

C.B. Breastplate transmitter used by operators on secondary battery trunk exchanges.

Includes:-
1 x Conn., Mouthpiece, No. 6.
1 x Loop for Bands, Xmtrs., B.P., Slotted Hole.
1 x Mouthpiece No. 6 (Mk. N.T. 9).
18" Web, Non-elastic, No.2, Grey.

Superseded by Transmitter No. 23A

 

 
Transmitter No. 6

L.B. Transmitter used on Telephones No. 3.  Uses a Mouthpiece No. 5.

 

 
Transmitter No. 8

Used on C.B. exchanges with Arm Transmitter No. 2.

Fitted with a Mouthpiece No. 4.

 

 
Transmitter No. 10

L.B. type for Telephone No. 28, except Mark 234.

Includes:-
1 x Transmitter, Inset, No. 3.

To be requisitioned separately:-
1 x Conn., Mouthpiece, No. 1.
1 x Mouthpiece No. 1.

 

 
Transmitter No. 16

L.B. transmitter used on Electrophone Stage Circuits.  Fitted with an Angelini type transmitter and used a Mouthpiece No. 13.

The Mark 234 model used a Transmitter Inset No. 9.

 

 
Transmitter No. 17

Fitted on Tables, Electrophone, NT.

 

 
Transmitter No. 21

Used for signalling deposits of coin in prepayment coin collecting boxes.

 

 
Transmitter No. 22

C.B. or L.B. type for telephones etc.

Includes:-
1 x Mouthpiece No. 16.
1 x Transmitter, Inset, No. 13.

 

 
Transmitter No. 23

C.B. or L.B. moulded Breast Plate type with switch facility (later supplies distinguished from 23A by circular yellow spot).

Transmitter No. 23 includes:-
1 x Loop for Bands, Transmitters, B.P., Slotted Hole.
1 x Mouthpiece No. 17 or No. 19.
1 x Transmitter, Inset, No. 13A.
18" Web, Non-elastic, No. 2, Grey.

Transmitter No. 23A includes:-
1 x Transmitter, Inset, No. 13AA
Otherwise as for Transmitter No. 23

Supersedes Transmitter No. 5A
 

 
   
   

 

 
 
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Last revised: November 02, 2019

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