Conservation Blog

By: Sherif Afifi | February 21, 2020

   This antique black and white silver gelatin paper print have split into two half due to folding of the completely acidic secondary support, which leads to tears, cuts, and separation of the photograph into two half. This video shows the restoration and preservation of this 20th century rare photograph. The conservation and Restoration process covered several steps. However, this video shows only the joining process for the two split parts.

By: Sherif Afifi | July 05, 2019

Mending torn or cut photographs
Figure 1 Torn photographs These photographs are from Sherif Afifi's family collection - All rights reserved

By: Sherif Afifi | April 24, 2019

label that was adhered over an original leather book spine.
label that was adhered over an original leather book spine.

This video tutorial demonstrates how to effectively remove a label that was adhered over an original leather book spine. The shelf label was glued over a nineteenth-century split book spine. Animal glue was used on this label (label is now historical evidence of this book). A conservation decision was made to remove the label in order to restore the book. Moisture is required to remove the paper label, however special care must be given to ensure the leather does not get wet. Careful attention to not over moisturizing can avert the following issues: hydrolysis, distortion, discoloration and hardening of leather.

Carboxymethyl cellulose (CMC) 4% is applied over paper label. In order to moisturize the paper label and react with the animal glu...

By: Sherif Afifi | May 15, 2018

Tears or sharp cuts are physical deterioration aspects of photographic materials. This video tutorial focus on mending tears and cuts in paper-based photographs prints

Watch how I mend photograph's tears

By: Sherif Afifi | January 15, 2018

clean off adhesive
    For rare books restoration and conservation purpose; in many cases, spine lining, and animal glue should be removed (cleaned off) completely, in order to restore and conserve the sewing or the spine.
Several techniques are used for loosening and clean off old glue from spines. 
Be careful when you clean off the animal glue from the book spine. Watch this video tutorial, demonstrate one of the most applied practice. 

    In this video methylcellulose solution with a concentration of 4% has been used (Viscosity: 2000 cPs at 2% in water, pH 7.0.)
Watch the video: