Astonishing evidence for an ancient form of sophisticated machining into very hard stone can be seen on one of the artifacts found on the Ancient Egyptian site of Elephantine Island. After several ...
Editor s note: This article, the latest in a monthly series on Vermont s granite industry, is provided courtesy of the Vermont Granite Museum. By PAUL WOOD Sandblasting is a common operation in the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback