MOUTHPIECES


 

Mouthpieces No. 1

Standard for Micro-telephones.

Used with a Connection, Mouthpiece No. 1 or 2.

These were replaced after 1932 by the Transmitter No. 22.

Drawing - 62998.

 

 
Mouthpieces No. 4

Ebonite with screwed end.

Standard for CB and LB Transmitters.

 

 
Mouthpieces No. 6

Horn Shaped with screwed end.

Used with a Connection, Mouthpiece No. 6.

For Transmitters No's 5 or 5A.

Drawing - 62625.

 

 
Mouthpieces No. 8

For Transmitters No's 11 or 12 (ATM & Co.s automatic).

American produced.

 

 
Mouthpieces No. 9

Horn shaped with plain end.

For Transmitters No's 5 (mark NT 7) or 5A.

 

 
Mouthpieces No. 10

Small mouthpiece for use with Telephone No's 89 or 114.

 

 
Mouthpieces No. 12

For use with Telephone No. 78.

Made from Ebonite.

Used with a Connection, Mouthpiece No. 5.

Drawing - 62825.

 

 
Mouthpieces No. 13

Made from Porcelain.

Used with Transmitter No. 16.

 

 
Mouthpiece No. 14

Made from Ebonite.

Used with a Connection, Mouthpiece No. 6.

 

 
Mouthpieces No. 15

Bakelite mouthpiece fitted to most 200 and 300 type Bakelite telephones.

The Mouthpiece locates in three slots.  To remove - Use a drawing pin, push the pin into the hole and press hard, whilst at the same time turning the mouthpiece anticlockwise.

Used with Transmitter Inset No. 10 and 13.

Two tools were also produced to aid removal.  The "Key, Mouthpiece" and the "Key, Mouthpiece No. 15".

Drawing - 62626.

Colours - Black, Jade Green, Chinese Red and Ivory.

 


Mouthpieces No. 16

Used with Transmitter No.22.

Could be fitted with Transmitter Inset No. 10 and 13.

Introduced after 1932.

Two tools were also produced to aid removal.  The "Key, Mouthpiece" and the "Key, Mouthpiece No. 15".

Drawing - 62627.

Colours - Black


 
Mouthpiece No. 17

Made from Cellulose Acetate

Drawing No. 62809.

Colours - Black

 

 
Mouthpieces No. 18

Used on Telephone No's 145, 250 and Units, Telephone, PA.

Two tools were also produced to aid removal.  The "Key, Mouthpiece" and the "Key, Mouthpiece No. 15".

Drawing - 62714.

Colours - Black

 

 
Mouthpieces No. 19

Used with Transmitter No. 23 (Mark 2).

Made from Cellulose Acetate.

Drawing - 62392.

Colours - Black

 

 
Mouthpieces No. 21, 21A and 21B

Plastic mouthpiece fitted to most 700 type telephones. Came in 8 colours.

Material
No. 21 - Polymethyl Methacrylate
No. 21A - ABS Copolymer
No. 21B - Polycarbonate

To remove - unscrew in an anticlockwise direction.

Drawing - 91197.

Ericsson Part number - N8974

 


 

 

 
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Last revised: November 30, 2022

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