Chapter ID: CBB743166639

The Clockmaker Family Meyer and Their Watch Keeping the alla turca Time (2011)

unapi

Praying five-times-a-day is one of the most important religious obligations for Muslims, and prayers should be performed during certain periods defined by the position of the Sun at a given location. Before the full adoption of the international standard time in Turkey in the twentieth century, the mean solar time, popularly called “European time” (alla franca time) started to be used in the major cities of the Ottoman Empire, mainly in communication and transportation networks connecting the Empire with European countries. Thus both the solar mean time and the local apparent time (Turkish time or the alla turca time) were concurrently used in the Ottoman Empire in the latter part of the nineteenth century. The present paper examines the mechanism of alla turca clocks and especially the pocket watch designed and manufactured by J. Meyer (1843–1920) in Istanbul for keeping automatically both the Turkish and European times.

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Authors & Contributors
Günergun, Feza
Aleksandŭr Kostov
Frumer, Yulia
Varlik, Nükhet
Stephens, Carlene E.
Steele, John M.
Journals
Centaurus: International Magazine of the History of Mathematics, Science, and Technology
Annals of Science: The History of Science and Technology
Osmanli Bilimi Arastirmalari: Studies in Ottoman Science
Journal of Astronomical History and Heritage
Iranian Studies
Historia Scientiarum: International Journal of the History of Science Society of Japan
Publishers
Paradigma
University of Chicago Press
Stanford University Press
Springer
Hambledon and London
Guilford Press
Concepts
Clocks and Watches
Time measuring instruments
Technology
Cross-cultural comparison
Time measurement
Cross-cultural interaction; cultural influence
People
Mustafa b. `Abdallah (Haggi Khalifa; Katib Chelebi)
Muhtar Pasha, Ahmed
Harrison, John
Time Periods
19th century
20th century, early
18th century
16th century
Edo period (Japan, 1603-1868)
Medieval
Places
Europe
Ottoman Empire
United States
Middle and Near East
Mesopotamia
East Asia
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