Question 4

Question 4

en

G.07.04

4th TEST: Arch-quarryman: Except for the correct positioning of a crane you should have prepared properly the bulk of marble you want to transfer to enable the crane to lift it. Namely, you should have left the "elbows", projections used as gripping points, where the ropes, with which the crane lifts the bulk of marble, are tied. In our quarry there is a cylindrical half-finished base having projections. Find it!

Did you find the new trace?

YES

Well done. You are near the sea level, where you can see the points of attachment and use of another lifting machine in the area, as illustrated in the cited picture. On the bedrock the quarry workers opened two holes, keeping distance between them, in which they placed wooden pilings, where they tied the beams of the crane. In the cited picture, the southeast hole on the rock is also visible. However, it is often not seen due to the rippling waters.
Go to the next spot to participate in the fifth Test.

NO

It doesn’t matter. Maybe a mistake was made with the identification of the location. The trace is low at the sea level, where you can see the points of attachment and use of another lifting machine in the area, as illustrated in the cited picture. On the bedrock the quarry workers opened two holes, keeping distance between them, in which they placed wooden pilings, where they tied the beams of the crane. In the cited picture, the southeast hole on the rock is also visible. However, it is often not seen due to the rippling waters.
If you want you can attend the complete tour to find more information.
Go to the next spot to participate in the fifth Test.

40.60139

24.73887

ALK.11.00.01

Original text of the spot Quarries of phase C. Crane attachment points.
You are near the sea level, where you can see the points of attachment and use of another lifting machine in the area, as illustrated in the cited picture. Compare the photo with the diagram below, to see how a crane which was used to lift loads at that time was fastened. On the bedrock the quarry workers opened two holes, keeping distance between them, in which they placed wooden pilings, where they tied the beams of the crane. In the cited picture, the southeast hole on the rock is also visible. However, it is often not seen, due to the rippling waters.
Original text of the spot Drawing of lifting and transportation of marble bulks.
A: Stabilization point of the "web" of the lifting machine in different inclinations, this "web" was at point D.
B: Ray wheel (cage) that rotated with the weight of one or more men who walked inside the cage.
C: Marble architectural piece transferred to the wharf with "columns", namely wooden reels used for its loading to a cargo ship of that time.
D: The "web" of the lifting machine, which consisted of two wooden beams in the shape of “Λ”. They were held in various inclinations, thanks to ropes which were tied with wooden pilings at point A. With the help of pulleys, ropes and the lifting force of the cage at point B, the "web" lifted and transported marble blocks to the ships waiting on the shore.