Chicago - (Illinois, USA)

University of Chicago

 Tower Laura Spelman Rockefeller Memorial Chapel

 Gillett & Johnston, 1932



list of bells

the situation since 1932

graph 1
external tuning hum note, fundamental, minor tierce and nominal partials
(equal temperament, base -23 cents if A1=440 Hz, air temperature about 4. C / 32 F.)

graph 2
internal tuning hum-note
(equal temperament, base -23 cents if A1=440 Hz, air temperature about 4. C / 32 F.)

graph 3
internal tuning hum, fundamental, minor tierce and quint-nominal
(related as equal tempered intervals to the nominal partials of the individual bells)

graph 4
internal tuning minor tierce, quint-nominal, octave-nominal and double fourth
(related as equal tempered intervals to the nominal partials of the individual bells)

graph 5
internal tuning quint-nominal, octave-nominal, double fourth and major triple-sixth
(related as equal tempered intervals to the nominal partials of the individual bells)

graph 6
internal tuning octave-nominal, double fourth, major triple sixth and triple octave
(related as equal tempered intervals to the nominal partials of the individual bells)


< back to tuning library