The clocks of the ancient Greeks


Museum of the Ancient Greek Technology "Kostas Kotsanas"

The clocks of the ancient Greeks

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The clocks of the ancient Greeks

Introduction


The clocks of the ancient Greeks

Hemispherical sundial
with a central gnomon point
(Anaximandros’ sundial)


The clocks of the ancient Greeks

Cut spherical sundial
(Aristarchos' sundial)




The clocks of the ancient Greeks

Quandrandal sundial
with a central gnomon point";


The clocks of the ancient Greeks

Hemispherical sundial
with two noncentral gnomon points


The clocks of the ancient Greeks

Hemispherical sundial
with a hole on the roof
(Skopinas' plinth)


The clocks of the ancient Greeks

Hemispherical sundial
with a hole at the back




The clocks of the ancient Greeks

Spherical sundial




The clocks of the ancient Greeks

Conical sundial (Dionysiodoros' cone)


The clocks of the ancient Greeks

Cylindrical inclined sundial


The clocks of the ancient Greeks

Cylindrical vertical sundial
(Berossos' sundial)


The clocks of the ancient Greeks

Portable ringed sundial
(the portable clock of Parmenion)


The clocks of the ancient Greeks

Portable disc sundial
(the "any climate" portable clock)


The clocks of the ancient Greeks

Portable rod-like sundials


The clocks of the ancient Greeks

Level horizontal sundials
(the spider's web of Eudoxus
and the "pelekinos" of Patrokles)


The clocks of the ancient Greeks

Vertical sundial of southern orientation


The clocks of the ancient Greeks

Vertical sundial of south-eastern orientation
(Apollonius' quiver)


The clocks of the ancient Greeks

Vertical sundial of eastern orientation
(Aristarchus' disk)


The clocks of the ancient Greeks

Vertical sundial
of north-eastern orientation


The clocks of the ancient Greeks

Vertical sundial
northern orientation


The clocks of the ancient Greeks

Vertical sundial
οf north-western orientation


The clocks of the ancient Greeks

Vertical sundial
οf western orientation


The clocks of the ancient Greeks

Vertical sundial of
south-western orientation




The clocks of the ancient Greeks

"Proportional" ceramic clepsydra


The clocks of the ancient Greeks

''Parabolic'' clepsydra


The clocks of the ancient Greeks

The alarm clock of Plato
(the first awakening device in human history)


The clocks of the ancient Greeks

The hydraulic clock of Κtesibios
(an automation miracle, continuously working without human interference)




The clocks of the ancient Greeks

The ''anaphoric'' clock


The clocks of the ancient Greeks

The hydraulic clock of Archimedes
(the first clock with tickings in human history)


The clocks of the ancient Greeks

The alarm clock of Aristotle