"We had to bring it to an audio restoration specialist with a lab that had obsolete equipment," Ms. Stringari said.

There are, however, hundreds of restoration specialists in the city, from sandstone masons and stained-glass experts to iron workers and plasterers.

Many restoration specialists do this sort of work manually, often frame by frame.

Matt had his engineer, his metallurgist, his computer man, and, most important, his restoration specialist.

The restoration specialist began the extremely tedious process of redisplacement on them.

Christopher Wuerth, a New Haven restoration specialist, is doing the carpentry much as it was done 200 years ago.

When the restoration specialists are hired, insurance companies and individual householders typically receive itemized accounts of the work performed.

"We're starting from zero," said Mr. Bianchi, who is leading the restoration specialists in Iraq.

These are often made available to researchers for use in writing articles or books, or to restoration specialists.

Mr. Claiborne, an architect and engineer, was a restoration specialist.