Jean-Baptiste Schwilgué

Jean-Baptiste Schwilgué (1776–1856) was the author of the third astronomical clock of Strasbourg Cathedral, built between 1838 and 1843 (not 1842, as it is written on the clock itself^{[citation needed]}). In 1844 Schwilgué, together with his son Charles, patented a key-driven calculating machine,^[1] which seems to be the third key-driven machine in the world, after that of Luigi Torchi (1834) and James White (1822).^[2]

He produced a number of clocks for church towers, of which the only one still functioning in Strasbourg is that of Saint Aurelia’s Church, Strasbourg. He was born and died in the same place, Strasbourg.^{[citation needed]}

Gallery

Bust of Jean-Baptiste Schwilgué
Clockwork of the Freiburg Minster (1851)

Notes

References

Henri Bach, Jean-Pierre Rieb, Robert Wilhelm: Les trois horloges astronomiques de la cathédrale de Strasbourg, 1992.
Charles Schwilgué: Notice sur la vie, les travaux et les ouvrages de mon père J. B. Schwilgué, ingénieur-mécanicien, officier de la Légion d'honneur, créateur de l'horloge astronomique de la Cathédrale de Strasbourg, etc., 1857.
Alfred Ungerer, Théodore Ungerer: L'horloge astronomique de la cathédrale de Strasbourg, 1922.

External links

The Calculating Machine of Schwilgué at site History of Computers and Computing

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[1] "Jean-Baptiste Schwilgue – Computer Timeline". Retrieved 2023-12-13.

[Roegel-2] Roegel, Denis. "Before Torchi and Schwilgué, There Was White." IEEE Annals of the History of Computing 38.4 (2016): 92-93.

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