| 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.
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| Mouthpieces No. 4 Ebonite with
screwed end.
Standard for CB and LB Transmitters.
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| Mouthpieces No. 6 Horn Shaped with
screwed end.
Used with a Connection, Mouthpiece No. 6.
For Transmitters No's 5 or 5A.
Drawing - 62625.
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| Mouthpieces No. 8 For Transmitters
No's 11 or 12 (ATM & Co.s automatic).
American produced. |
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| Mouthpieces No. 9 Horn shaped with
plain end.
For Transmitters No's 5 (mark NT 7) or 5A.
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| Mouthpieces No. 10 Small mouthpiece
for use with Telephone No's 89 or 114.
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| Mouthpieces No. 12 For use with
Telephone No. 78.
Made from Ebonite.
Used with a Connection, Mouthpiece No. 5.
Drawing - 62825.
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| Mouthpieces No. 13 Made from
Porcelain.
Used with Transmitter No. 16.
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| Mouthpiece No. 14 Made from Ebonite.
Used with a Connection, Mouthpiece No. 6.
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| 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.
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| 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 |
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| Mouthpiece No. 17 Made from
Cellulose Acetate
Drawing No. 62809.
Colours - Black
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| 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
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| Mouthpieces No. 19 Used with
Transmitter No. 23 (Mark 2).
Made from Cellulose Acetate.
Drawing - 62392.
Colours - Black
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| 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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