This carillion was a gift by the late John D. Rockefeller jr. in memory of his mother.
It contains 74 bronze bells ranging in weight from the 20-ton (18 metric) Bourdon (hour bell) to the smallest bell of 10 pounds (4,5 kg).
The Bourdon is the largest and heaviest carillon bell ever cast. The total weight of all the bells is over 100 tons (91 metric)
When installed at The Park Baptist Church in 1925 by Gillett & Johnston Foundry of England, it was already the world's largest carillon with 53 bells and a bourdon of 10 tons.
When it moved here with the congregation, in 1930, it was enlarged by Gillett & Johnston to become the first carillon to surpass five musical octages; it is still the only carillon to have achieved a bourdon of pitch C, a full octave below the normal range for a carillon.
In 1956, the upper range of bells was replaced by the Van Bergen Foundry of The Netherlands.
The Laura Spellman-Rockefeller Memorial Tower rises 392 feet (119 m) above the street.
It is equipped with observation platforms for the carillon and for the 360-degree view of the City and the Hudson valley.
Witin the bell chamber are the Machine Room and the Clavier Cabin.
The Machine Room houses equippment for automatic operations.
5 of the large bells are installed for swinging by means of wheels and motors.
Swinging peals sound before Worship Services and on special ocassions.
During the day a drum mechanism automatically plays the Parcival Quarters arranged from the Holy Grale Motiv in Wagner's opera Parcival, the Bourdon sounds the hours.
Through the windows of the Clavier Cabin may be seen the carillon keyboard.
It consists of wooden levers played with the hands and paddels played by the feet; each is attached directly to a clapper.
All the bells are playable by direct action of the carillonneur, with no electronic gadgetry;
RIVERSIDE CHURCH IS OPEN: DAILY FROM 9am - 4pm.
CARILLON CONCERTS: SUNDAY AT NOON AND 3 pm.
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Phone: 222-5900