Maria Gloriosa, or the Erfurt Bell, is a well-known bell of Erfurt Cathedral, cast by Geert van Wou in 1497.
The world's largest medieval free-swinging bell,[3] it is now swung electrically.
Diameter: 8 feet 5+3⁄4 inches [2,584 mm], weight: 13 tons 15 cwts.
[1] Alternately: 2570mm, 11450 kg, note by today's standards: F−.
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