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Until the mid 19th century, most papers were made of rag or cloth stock. Around 1860 the paper mills started using ground wood with acids, bleach, and alum...

Good storage can extend the life of an item and is an important aspect of preventative conservation. Storage should be cool, dry, clean, and stable. Items...

When we live through historic events people often save their newspapers to remember the day. However, folding a newspaper up and leaving it in your attic will...

Have you ever noticed how paper turns yellow over time?Piles and piles of old magazines and newspapers kept in some dusty corner of the house, when taken out...

How to fix a book: first, gather your tools. The bone folder that feels familiar in your hand, the knitting needles still sticky with glue, the X-Acto knife,...

One of the most complex issues facing libraries today is how best to preserve the materials that comprise their collections.  Since all library materials are...

The principal factors contributing to the deterioration of paper are oxidation and acid hydrolysis caused by chemicals it contains. Light-induced oxidation of...

If you're printing a document of great importance (historical, legal, or otherwise) or using paper to help preserve cherished items, acid-free paper is your...

In 1930, William Barrow concluded that paper itself deteriorated over time and that, without the proper control of its acidity level, the contact with the light...

Until now, only acids introduced in the manufacture of paper and those absorbed from the environment have been believed mainly responsible for the degradation...