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Clepsydra water clock

The clepsydra, on the other hand, worked equally well at any hour or place, and in all sorts of weather.

The Djyotisha also teaches the art of constructing a clepsydra, or water-clock.

The torrent that sped on in sublime and unceasing monotone had measured his existence like a clepsydra.

Each of the sides had a sort of dial, and the building formerly contained a clepsydra or water-clock.

This water clock was called a clepsydra, the name being taken from two Greek words meaning 'thief of water.'

clepsydra, klep′si-dra, n. an instrument used by the Greeks and Romans for measuring time by the trickling of water.

Some phases of this third stage were foreshadowed when man first applied wheels and pulleys to his clepsydra.

When the Romans first began to use the clepsydra it was already a very good clock.

Like the sun-dial and the clepsydra, the hour-glass is older than we know.

In the clepsydra (Fig. 1) the descent of the weight was controlled by the size of the stream of flowing water.

Source: www.dictionary.com
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