Receivers, Headgear No. 1A and 1B Used
in exchanges and consists of two receivers. The Receiver,
Headgear, No. 1A receivers are 60Ohms each and the Receiver,
Headgear, No. 1B receivers are 150Ohms each.
Includes:-
1 x Diaphragm No. 12, 18 or 24.
1 x Headband No. 6.
1 x Earpiece No. 2, 9, 13 or 17.
1 x Pad, Receiver H.G. No. 3.
To be requisitioned Separately:-
1 x Cord, Instrument No. No. 2/04A, Brown, 21" or 4/12A, Brown,
48". 1 x Headband, No. 7 (when required).
Drawing - 1994.
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Receivers, Headgear No. 3A and 3B
Consists of two receivers. The Receiver,
Headgear, No. 3A receivers are 60Ohms each and the Receiver,
Headgear, No. 3B receivers are 150Ohms each.
Includes:-
2 x Diaphragm No. 12.
1 x Headband No. 9.
2 x Earpiece No. 2, 9, 13 or 17.
Drawing - 62820. |
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Receivers, Headgear No. 5F This
consists of two Receivers, 4000ohms each, in series.
Includes:-
2 x Earpieces No. 11.
2 x Diaphragms No. 21.
1 x Cord, Instrument No. 236.
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Receivers, Headgear No. 8A Two Receivers
60ohms each, in series. S.G. Brown Type.
Used in Wireless Stations where a Jack No. 1 is fitted.
Includes:-
2 x Earpieces No. 16.
1 x Cord, Instrument No. 236.
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Receivers, Headgear No. 9 Sensitive
receiver for use with Potentiometer No. 8B at phonogram operators' positions. Also
for use as alternative receiver at subscribers when required.
Includes:- 1 x Diaphragm No. 12.
1 x Earpiece No. 20.
1 x Headband No. 6.
1 x Pad, Receiver H.G. No. 3.
To be requisitioned separately:-
1 x Cord, Instrument No. 2/04A, Brown, 21" or 4/12A, Brown, 48"
1 x Headband No. 7 (when required).
Superseded by Receivers, Headgear No. 10A
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Receivers, Headgear No. 10 Receivers,
Headgear, No. 10A, Single
General
purpose Receivers, Headgear with one 60ohm receiver. These
were used at local exchanges and with Potentiometers No. 8B at
phonogram operator's positions. Also for use as alternative receiver at subscribers
when required.
Includes:-
1 x Diaphragm, No. 25.
1 x Earpiece, No. 22.
1 x Headband, No. 6.
To be requisitioned separately:-
1 x Cord, Instrument No. 2/04A, Brown, 21" or No. 4/12A, Brown,
48".
1 x Headband, No. 7 (when required).
1 x Pad, Receiver H.G. No. 3.
Superseded the Receivers, Headgear No. 9A and was
itself superseded by the Receivers, Head Gear No. 16.
Receivers, Headgear, No. 10A, Double
This consists of two Receivers H.G., No. 10A fitted with
Headband No. 12,
instead of Headband No. 6 and Pad, Receiver H.G. No. 3.
To be requisitioned separately as required:- 1 x Cord Instrument 4/36A, Brown, 48". |


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Receivers, Headgear No. 11M This
consists of two Receivers of
1000ohms each in series.
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Receivers, Headgear No. 14 Consists of
a receiver of 2000ohms with
a folding headband.
For use with Tester WL 53400.
Includes:-
48" Cordage.
1 x Plug (Multitone's miniature 2-pin phone plug).
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Receivers, Headgear No. 15 Drawing - 63982.
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Receivers, Headgear No. 16T and 16U
These headsets can come in single or double receivers. The
No. 16T uses receivers of 150ohms (Receiver, Inset No. 3T)
whilst the No. 16U uses receivers of 4000ohms (Receiver Inset
No. 3U).
The No. 16T single, is usually used with an oscillator, in
which case a Plug No. 420 with Cord 2/138AB 54" should be used.
Includes:-
1 x Headband No. 13 (double receiver).
Drawing - 91125, 91126 and 92627.
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Receivers, Headgear No. 17A Used with
the Tester No. 132 (consists of Oscillator No. 87 and Amplifier
No. 109).
Cannot be used with safety helmets.
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Receivers, Headgear No. 18A Used with
the Tester No. 132 (consists of Oscillator No. 87 and Amplifier
No. 109).
Used with safety helmets.
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