Ballas



a spherical aggregate of small diamond crystals used for drilling and for various industrial purposes.
Historical Examples

This cannot be distinguished from certain fragments obtained in the Neolithic cemetery at ballas.
El Kab J.E. Quibell

The crucial case at ballas was the secondary burial of a Libyan found in one of a group of stairway mastabas.
El Kab J.E. Quibell

These cists were found at ballas both in “stairway” tombs and in open Neolithic graves.
El Kab J.E. Quibell

A rough example of No. 44 was found at ballas, used anciently as a lamp with floating wick.
El Kab J.E. Quibell

The sides of one Neolithic tomb at ballas were lined with bars of this kind.
El Kab J.E. Quibell

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