Grenz radiography
Description
An analytical technique that uses low energy x-rays. Grenz radiography is used for imaging paper structure and watermarks (Kushel). See Soft x-radiography.
Additional Information
D.Kushel, "Radiographic Methods Used in the Recording of Structure and Watermarks in Historic Papers"
Authority
- External source or communication Comment: Jean-Louis Boutaine, 20/06/2007