About the IPH Standard
The IPH standard refers to:
International Association of Paper Historians, International Standard for the Registration of Watermarks, Provisional Edition, 1992.
copies may be ordered from Ludwig Ritterpusch, Sekretariat/Kassier, Wehrdaer Strasse 135, D-3550 Marburg, Bundesrepublik Deutschland, Germany.
The IPH standard consists of 5 parts. Parts 1 and 2 are statements of the
purpose and basis of the standard. Parts 3-4, the outline of the
relational database, are reproduced in the following table. Part 5 is an
outline of the system for classifying watermarks, which provides the means
for identification of watermarks in the database, but is not itself a file
within the database. The standard concludes with two addenda and two
appendices. The addenda include:
The two appendices include:
a key to the alphanumeric code used for description of watermarks
the International Automobile code used here for identification of
A comprehensive index of Classes and Subclasses of Watermarks
A summary of "Recommendations for Structuring a Watermark
Database-Convention for Data Exchange"