RECEIVERS BELL


Receivers Bell No. 1A

For general use with a coil of 60 ohms resistance.

Mark B includes:-
1 x Earpiece No. 1.
1 x Diaphragm No. 9.

Marks C, D and 4001 includes:-
1 x Earpiece No. 2.
1 x Diaphragm No. 12.

Mark NT10 includes:-
1 x earpiece No. 1.
1 x Diaphragm No. 19.
 

 
Receivers Bell No. 2

No Information


 

 
Receivers Bell No. 3G

This receiver has no permanent magnet and the coil is of 25 ohm resistance.

Used on Telephones No's 53 and 67.

Includes:-
1 x Diaphragm No. 12.
1 x Earpiece No. 2.
 

 

Receivers Bell No. 4A

This Receiver has no permanent magnet and the coil is of 60 ohms resistance.

Used on Telephones No's 55, 55B, 72 and 72A.

American make includes:-
1 x Diaphragm No. 9.
1 x Earpiece No. 4.

Mark 234 includes:-
1 x Diaphragm No. 12.
1 x Earpiece No. 2.
 


 

 

 

 
 

 

 
 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems

Last revised: January 30, 2016

FM