The organ was built probably sometime during the 1950s as a 2 rank 'Miniatura' model. A Stopped Diapason rank was later added. The specification reads:
PEDAL
Bourdon 16'
Echo Bass 16'
Principal 8'
Bass Flute 8'
Flute 4'
Great to Pedal
Swell to Pedal
GREAT
Contra Salicional 16'
Open Diapason 8'
Hohl Flute 8'
Salicional 8'
Principal 4'
Flute 4'
Salicet 4'
Fifteenth 2'
Larigot 1.1/3'
Mixture II
Swell to Great
SWELL
Stopped Diapason 8'
Salicional 8'
Flute 4'
Salicet 4'
Nazard 2.2/3'
Fifteenth 2'
Mixture II
ACCESSORIES
4 double touch thumb pistons to great and Pedal
4 double touch thumb pistons to swell and Pedal
1 canceller thumb piston - great to pedal
1 canceller thumb piston - swell to pedal
1 balanced expression pedal - organ
1 balanced expression pedal - crescendo
Double touch canceller to each division
Voltmeter