Restoration of the organ at St Botolph Aldersgate in the City of London

The organ was installed in the new church by Samuel Green in 1791, perhaps using pipes from an older Green organ. It was the gift of Seddons the upholsterers. This organ had the following stops:

Restoration of the organ at St Botolph Aldersgate in the City of London






Great (GG AA - e³)
Open Diapason I
Open Diapason II
Stopped Diapason
Principal
Twelfth
Fifteenth
Sesquialtra III
Cornet IV (short compass c¹)
Trumpet
  Swell (f-e³)
Dulciana
Stopped Diapason
Principal
Cornet III
Trumpet
Hautboy


Pedal (GG - c)
pull downs
 
 
It was completely rebuilt by Henry Speechly in 1867, retaining the case, Great chest and most of the flue pipes.
The centre tower of the case and the carving beneath it were altered at the same time. The front was moved forward,
and the back panelling was pushed out into the passage to accommodate the new Swell.

The resulting organ has been little tampered with. In 1926, Hill, Norman & Beard raised the wind pressure, re-voiced the reeds, replaced the pedal action with pneumatic, and provided an electric blower.

Speechly's organ survives largely intact, though HN&B in 1926 replaced the pedal action with pneumatic (including the shared Bourdon on the Swell), and re-voiced the reeds, with loaded tongues and harmonic trebles.

G & G (advisor John Norman) restored the organ without alteration. The case was restored by Chris Wells and Charles Marsden (including gilding the new front pipes in the middle tower, which had been replaced with zinc ones).

GREAT (in order on chest from front)
Open Diapason
Dulciana
Stopped Diapason
Cremona
Principal
Flute Harmonique
Fifteenth
Sesquialtera
Trumpet

 
1791
1867
1867
1867
1791
1867
1791
1867
1867

marked <2>, spotted metal, C - dº in front
cº - f³, bass from Stopped Diapason
C - bº stopped, c¹ to f³ harmonic
cº to f³, cleaned with new tongues in 1926?
plain metal, c¹ to f³ with tuning slides
c¹ to f³ harmonic
bass pipes are slightly different from the other Green pipes
with 1791 pipework, C 2' 1 1/3' 1', g² 4' 2 2/3' 2', no tuning slides
revoiced 1926, c² - b² harmonic, c³ - f³ flues

SWELL
(in order on chest from back)
Double Diapason
Open Diapason
Voix Celestes
Stopped Diapason
Principal
Piccolo Harmonique
Mixture
Gamba
Oboe
Cornopean

PEDAL
Open Diapason
Bourdon

Tremulant


1867
1791
1791
1791
bass
1867
1867
1894
?
1867
1867


1867
1867

1926


C - B outside box
ex Great, spotted metal
ex Dulciana, draws Gamba simultaneously (1894 alteration?)
bass ex Great
1791, treble 1867

C 2' 1 1/3' 1', g² 4' 2 2/3' 2'
in place of 1867 Clarion
revoiced, f² - f³ harmonic 1926
revoiced 1926



using Swell Double

COUPLERS
Swell-Great
Super-octave
Swell-Pedal
Great-Pedal



san serif stop knob label
brings on Sw-Gt sub-octave, so that e.g. Great c¹ plays Swell cº
sans serif stop knob label
also has an on-off rocker pedal on the bass return of the pedal recess

The combinations are at present set as follows (numbering from bass):


1.
2.
3.
4.
5.
6.
7.

Swell
Swell
Swell
Great
Great
Great
Great

DD
OD
StD
Dulc
StD
OD
OD

OD
Pr
Pic c

Pr
Pr
Pr
Pr
(others
(others


15
15
Mix
off)
off)



Ses
Corn (nothing off)


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