Monday, December 17, 2007

Traces of Roman Superglue found on helmet from Xanten

Roman warriors repaired their battle accessories with a superglue that is still sticking around after 2,000 years, according to new findings on display at the Rheinischen Landes Museum in Bonn, Germany.

Running until Feb. 16, 2008, the exhibition "Behind the Silver Mask" presents evidence that the ancient adhesive was used to mount silver laurel leaves on legionnaires' battle helmets.

"It's a sensational find and a complete stroke of luck that we were still able to find traces of the substance after 2000 years," Frank Willer, the museum's chief restorer, told Discovery News.

Willer found traces of the superglue while examining a helmet unearthed in 1986 near the German town of Xanten, on what was once the bed of the Rhine.

"The helmet, which dates from the 1st century B.C., was given to the museum for restoration. I discovered the glue accidentally, while removing a tiny sample of metal from the helmet with a fine saw. The heat from the tool caused the silver laurel leaves on the helmet to peel off, leaving thread-like traces of the glue behind," Willer said.

Willer was amazed to discover that despite such a long exposure to water, time and air, the superglue did not lose its bonding properties.

He said that other Roman battle accessories kept by the museum have traces of silver decorations which most likely had been glued to the iron with the same adhesive and technique. Unfortunately, the objects are too deteriorated to find traces of the superglue.

However, the helmet unearthed at Xanten featured enough material to determine how the adhesive was made.
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