Page:Troja by Heinrich Schliemann.djvu/110

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60
THE SECOND CITY: TROY.
[Chap. III.

penetrated into the interior. In order to effect this, channels 0.30 m. high and broad were made in the interior of the wall at various heights, the arrangement of which may be seen in the engraving No. 16. But the wall could of course not be baked equally throughout in this way, for, whilst the bricks around the channels are thoroughly baked, those on the east side are perfectly crude and unbaked. Even the different stages of baking may be distinctly observed on a number of the bricks; for, whilst that part of them which faced towards the channel is completely baked, the part which faced the other way has but slight traces, or none, of the incandescence. It is highly instructive to follow up the effect of the fire round the channels. Dr. Dörpfeld observed round the channel, first,

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No. 16.—Section of the tower G M on the east side of the Acropolis; showing the arrangement of the channels for the artificial baking of the brick wall.

a circle which had been completely raised to a glowing heat throughout, and has now a light colour: this is followed by a black ring, which has received its colour from the black vapour of the fire. Still farther from the channel the bricks are completely baked, and have a dark red colouring; the joints, which consist of another material, being light red. The farther the bricks are distant from the channel, the less red is their colour, and the less thorough their baking. In the less baked or badly baked portion of the wall, the shells contained in the bricks have preserved their white colour, whereas in the thoroughly baked portion they have been blackened by the fire. The

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