Making Greek vases

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Making Greek vases발음듣기

Greek vases were made of terra cotta or baked clay.발음듣기

Before the clay could be used for pottery, pebbles and other impurities had to be removed.발음듣기

First, the potter mixed the raw clay with water in large outdoor pools to make a thick, silty liquid.발음듣기

This liquid clay stood until the heavier impurities had settled to the bottom.발음듣기

The refined liquid was then drained off into a second pool.발음듣기

The potter repeated this settling process several times.발음듣기

The pool was then left to evaporate in the sun, leaving behind the refined clay.발음듣기

The final step in preparing the clay for potting was called "wedging".발음듣기

The potter systematically compressed and folded the clay, making it more malleable and mixing together any parts that may settled into layers.발음듣기

The clay was now ready for use.발음듣기

Most Greek vases were thrown or formed on the potter's wheel.발음듣기

The complex shapes of Greek pottery often required that a vase be thrown in pieces and then assembled.발음듣기

For example, to make a kylix or cup the potter first centered the clay on the wheel.발음듣기

When it stopped wobbling the potter began a central hole.발음듣기

Pressure from the potter's fingers inside the hole gradually widened this opening and formed the bowl of the cup.발음듣기

Aside from the wheel, the potter's main tools were his hands.발음듣기

Although a wet sponge was often used to smooth the surface.발음듣기

To make the foot of the cup, the potter again centered the clay, drew it up, and then hollowed out the stem.발음듣기

The next day when the formed pieces had dried slightly, the bowl of the cup was trimmed with a metal shaver and received a final smoothing.발음듣기

The potter used wet clay to bond the separately made bowl and foot, and then smoothed over the join.발음듣기

Next, the potter stretched out lengths of clay and bent them into handles.발음듣기

Again using wet clay the potter attached the handles to the bowl.발음듣기

Often roughening the joining surfaces to increase the bond.발음듣기

The vase was now ready to be decorated.발음듣기

Athenian vase painters experimented with a number of different methods of vase decoration.발음듣기

To create a vase in the black figure technique, that is, with black figures against a red background.발음듣기

The vase painter first sketched the outline of the design, in this case a dolphin, onto the surface of the vessel.발음듣기

Then, using a highly refined liquid clay as paint the vase painter filled in the outline, creating a silhouette.발음듣기

When applied, the clay paint was almost the same color as the surface of the vase.발음듣기

But with firing it would turn black.발음듣기

The vase painter next used a sharp point to scratch internal details through the silhouette.발음듣기

The vase was then ready for the kiln.발음듣기

The contrasting red and black color scheme of Athenian pottery was the result of a difficult three stage firing process.발음듣기

Using wood-fired kilns or ovens, vases were heated to about 800 degrees centigrade in an oxygen-rich environment, causing the whole vase to turn red.발음듣기

Next, the potter closed off the vents of the kiln and added green wood and leafy branches creating an oxygen poor environment.발음듣기

As a result, the whole vase turned black.발음듣기

At the same time, the kiln temperature was raised causing the thin painted layer of decorative clay to become glossy and nonporous.발음듣기

Finally the kiln was allowed to slowly cool, and the potter reopened the vents letting oxygen into the kiln again.발음듣기

In this stage the unpainted areas of the vessels returned to their warm red color.발음듣기

But the glossy areas, which could not absorb oxygen, remained black.발음듣기

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