Category Archives: Paper and book conservation

Conservation and Preservation of an archival scrapbook

An important record of an organization, in the form of a scrap book, was brought to our lab for treatment and preservation. The data was important and the originals need to be rescued from further deterioration. The pictures, maps and documents in this scrapbook were pasted with an acidic glue to the black paper of…

Bookworms love spines of books and hate anoxic environment

Its our experience that insects that damage books are mainly attacking spine. This is because the spine receives liberal amount of adhesive while book making. After eradicating all the various stages of insects thriving in the books, book conservators repair damaged and deteriorated bound materials. We treat them further so that readers/researchers can consult them…

Aspergillus niger and Paper

Aspergillus niger is one of the most active cellulolytic fungi. The roll of drawings in the above picture is mainly infested by A. niger and Chaetomium sp. as identified from the cultures isolated from the deteriorating inner-side of the roll. This culture was maintained on potato dextrose agar slants. Following are the digital pictures of…

Paper burnt or eaten?

  This black powdery sheet (!) is not burnt paper, but, paper eaten by fungus. Cellulolytic microorganisms are hiding nicely all around us and are much more destructively powerful than we can expect from the tiny spores. Storage enclosures that were designed and created for protection turned out to be actually working with the deteriogens…

Removing Foxing is doable, but needs thorough understanding and patience too…

In paper conservation literature, there are many ways and materials advised to be used to remove foxing or at least lighten its scars. Here i am not going to suggest what to use, but would like to mention the importance of a thorough knowledge of chemistry and physics too apart from the deep appreciation of…

BoPET: Mylar/Melinex/Hostaphan

All the conservation labs/workshops have mylar or melinex as the most commonly used material while treatment procedures as well as in packaging and safe storage or display etc. Such widely and frequently used material is known to all by these trade names (Mylar and Melinex), but not many know the exact properties and actual name…