 Wooden boxed magneto bell
with two external gongs used with C.B. table telephones..Complete with
capacitor, 1000 ohm ringer and two winding induction coil.
Generally used with Telephones No. 2, No.
10 and No. 150 etc (Candlestick telephones).
Bellset No. 1, with bias spring, was also available for Telephones No.
76, No. 82 and No. 124.
Do not confuse with a Bell No. 1 which is a
smaller case and only
comprises of a bell ringer.
By 1946 this Bellset was superseded by Bellset No. 25.
Identifying a Bellset No. 1
| |
Mark |
| Includes |
Blank |
234/5 |
NT10 |
NT12 |
NT19 |
| Bells No. 1, unmounted |
1 |
1 |
- |
- |
- |
| Bells No. 11, unmounted |
- |
- |
1 |
1 |
- |
| Bells NT No. 1002A |
- |
- |
- |
- |
1 |
| Coils Induction No. 3 or 14 |
- |
- |
1 |
1 |
1 |
| Coils Induction No. 4 or 14 |
1 |
1 |
- |
- |
- |
| Condensers MC No. 2 or 30 |
1 |
- |
- |
1 |
1 |
| Condensers MC No. 3 or 30 |
- |
1 |
- |
- |
- |
| Condensers MC No. 6 |
- |
- |
1 |
- |
- |
Taken from the GPO Rate Book (1928)
Adjustment of Magneto bells
Click here for the difference between a Bell and a
Bellset
Pictures showing Bellset No. 1 with the capacitor (bottom of left hand
picture)
and the Coil Induction No. 4 (above the capacitor)
Picture of Bellset No. 1 with Coil Induction No. 18
This Bellset has most probably been factory refurbished by the GPO as the
Induction coil is of the
later type and the terminals are on the base,
instead of on the bottom of the front casing.
Note the second paster diagram, pasted over the original paster
Early Bellset No. 1
These Bellsets below are early examples, they can be GPO or NTL
examples.
The capacitor in both styles, fits inside the base.
 |
 |
| Front View |
Internal View |
 |
| Front view showing diagram and latch |
| |
 |
| Close up of terminals |
Another early Bellset No. 1
 |
| Front view of the case and to the left is the
capacitor which has been removed from the base. |
| |
 |
| View of the base showing where the capacitor
fitted. The lower fixing clip is missing. |
| |
 |
| Inside the Bellset showing Induction coil and
bell ringer |
|
