| Mouthpieces No. 1 Standard for
Micro-telephones.
These were replaced after 1932 by the Transmitter No. 22.
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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.
For Transmitters No's 5 or 5A.
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| Mouthpieces No. 8 For Transmitters
No's 11 or 12 (ATM & Co.s automatic).
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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.
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| Mouthpieces No. 13 Made from
Porcelain.
Used with Transmitter No. 16.
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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.
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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. |
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| Mouthpieces No. 18 Used on Telephone
No's 145, 250 and Units, Telephone, PA.
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| Mouthpieces No. 19 Used for
Transmitters No. 23.
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| Mouthpieces No. 21A
Plastic mouthpiece fitted to most 700 type telephones. Came in 8
colours.
To remove - unscrew in an anticlockwise direction. |
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