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The organ was
made by Snetzler (S) in 1774 for Sir Watkin Williams Wynn, "the Welsh
Maecenas" for his London house at 20, St James's Square. It was already
somewhat altered by Samuel Green (G) in 1783. The organ was moved to the
Williams Wynn country seat at Wynnstay Hall near Ruabon in 1863, and rebuilt
by Gray & Davison (G&D). The Organ was restored by G&G in
1996, more or less unaltered, though the Swell, which at Wynnstay had
been placed in an alcove behind the organ was placed in the normal position
in the more compact form necessary in the Museum.
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Great:
Open Diapason
Stop Diapason
Principal
Flute
Dulciana
Fifteenth
Mixture
Trumpet
Swell:
Double
Diapason
Open Diapsaon
Keraulophon
Stop Diapason
Principal
Fifteenth
Mixture
Oboe
Cornopean
Pedal:
Grand Bourdon
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8
8
4
4
8
2
III
8
16
8
8
8
4
2
II
8
8
16
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S/G
S
S/G
S
G&D
S
S/G/G&D
G&D
G&D
G&D/S
G&D
G&D/G
G&D/S
S
S/G
G&D
G&D
S/G&D
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Couplers:
Sw-Gt Gt-Ped Sw-Ped Swell octave
Great Mixture: C 12.19.22 g² 12.15
Swell
Mixture: C 19.22 c¹ 12.15
The mixtures are made up of pipes marked <12>, <3>
and <15>; these are from the Great Twelfth, Sesquialtra
and Cornet and the Swell Cornet. The Swell Mixture and Fifteenth
go down to C. The Bourdon may use some Snetzler GG and AA
pipes. The Swell Double and Stopped Diapasons seem to be entirely
G&D.
Composition pedals:
1. Sw Ker, St Diap
2. Sw Ker, St Diap, Op Diap, Pr, Ob 3. Sw full Swell (every
stop)
4. Gt full Great (every stop except Tr)
5. Gt Op Diap, St Diap, Dul
6. Gt St Diap
Voicing; G&D's voicing is undisturbed, and Snetzler's
is more or less intact too. The wind pressure is 2 1/4"
(58mm) which cannot be far from Snetzler's. The main alteration
to Snetzler's tonal scheme is to the composition of the mixtures,
and the volume balance.
Compass:
Great and Swell C to g³ Pedal C to e¹
Pitch: A440. Tuning is equal temperament.
There
is a Harley Monograph on this organ.
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