Yeshu Dray has been working in the field of restoration of ancient technologies since 1991.

His restorations and reconstructions are based on experimental archaeology and have, where possible, been reconstructed from authentic materials. All installations are fully operational.

The majority of his installations have been restored to their full original size while others are represented by smaller scale models.

Please explore this site to get an impression of the range of Yeshu's expertise and his scope of work.

You will find a variety of restorations accompanied by short explanations of the operating methods used in ancient times.

Relevant bibliography is listed for each subject also including articles written by Yeshu.