These are the standard GPO hook switches, which have the
metal body insulated from the contacts and allow the hook to
be attached without dismantling the telephone.
| Switch, Receiver No. 1
This switch assembly is used on
wooden wall telephones and switchboards.
Action - 1 x Changeover.
Supplied with 2 Screws No. 2 B.A. x
11/16" Round Head, Brass, Copper Plated, Oxidised and
Lacquered with Washers No. 2 B.B.O.
To be requisitioned separately as required:-
1 x
Hook Receiver E, F, K, M or S.
1 x Plate,
Escutcheon No. 4 (Drawing - 62646).
2 x Screws for Wood, Brass,
Oxidized, No. 4 Round Head 3/8".Drawing -
9620.
ETL part number N7585.
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| Switch, Receiver No. 2
Comprises of a three spring contact
set where all 3 springs make when lever is operated
released (Action - 2 Make by three springs).
Includes:-
2 x screws and
washers for fixing.
To be requisitioned
separately as required:-
1 x Hook, Receiver E, F,
K, M or S.
1 x Plate, Escutcheon No. 4.
2 x
Screws for Wood, Brass, Oxidized, No. 4 Round Head 3/8".
Drawing - 9621.
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| Switch, Receiver No. 3
This switch assembly is used on
Telephones No. 3, 11 (Mark 238) and 135.
Action - 2 x changeover.
Supplied with 2 Screws No. 2 B.A. x
7/16" Round Head, Brass, Copper Plated, Oxidised and
Lacquered with Spacers 2/10988.
To be requisitioned separately as
required:-
1 x Hook, Receiver E, F, K, M or S.
1 x Plate, Escutcheon No. 7 (Drawing - 11231).
Drawing -
9622.
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| Switch, Receiver No. 4
This switch assembly is used on the
Telephone No. 151.
Comprises of three contact sets which
are two make sets and one changeover.
Supplied with 2 Screws No. 2 B.A. x
9/16" Round Head, Brass, Copper Plated, Oxidised and
Lacquered with Washers No. 2 B.B.O.
To be requisitioned separately as required:-
1 x
Hook Receiver, E, F, K, M or S.
1 x Plate,
Escutcheon, No. 4.
2 x Screws for Wood, Brass,
Oxidized, No. 4 Round Head 3/8".
Drawing -
62440.
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