Small stone cylinder engraved in intaglio on its surface to leave impressions when rolled on wet clay. It first appeared circa 3400–2900 BC and is considered to be one of the finest artistic achievements of Mesopotamia. The earliest examples used geometric or animal patterns; later seals incorporated the owner's name and depicted a variety of motifs. They were used to mark personal property and make documents legally binding. The seals were adopted in Egypt and the Indus civilization.
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Cylinder may refer to:
Cylinders move in single file: an innovative cylinder arrangement requires almost no external plumbing.(CUSTOM CYLINDERS)
Jul 01, 2011; [ILLUSTRATION OMITTED] When a section of rail cars enters a terminal for unloading, one method of moving freight cars from one...