Creating a Knowledge Sharing Culture

By: Sherif Afifi | March 25, 2017

            Limp binding is a bookbinding method in which the book has flexible cloth, leather, vellum, or (rarely) paper sides. When the sides of the book are made of vellum, the bookbinding method is also known as limp vellum.

The cover is made with a single piece of vellum or alternative material, folded around the text block, the front and back covers being folded double. The quires are sewn onto cords such as alum-tawed thongs and the sewing supports would be laced into the vellum cover. The thongs would also often be used at the fore edge of the covers to create a closure or tie.
In limp binding the covering material is not stiffened by thick boards, although paste-downs if used, provide some stiffness; som...

By: Sherif Afifi | August 09, 2016

Water damage to Antique photographs


 A group of antique photographs (silver gelatin) become as one due to water damage happened to the collection, these photos was heavily glued together with the effect of PVA (Poly Vinyl Acetate) residues that was used during adding these photos to the photo albums in the past

photos as one block
A restoration and conservation process action to these photographs has been done to split them off trying different techniques starting from the simple humidification process passing through ultrasonic cold steam which shows no result at all after trying these tow techniques for several hours.
finally, we decided to mechanically split them into some groups every group of photos was heavily stuck together, and then we start to immerse individually each group of stacked photos into distilled water and very carefully separated them.

this video shows the full process

Water damage to Antique photographs


if you do not know what is your antique photograph type here is a FREE Android application makes you easily identify your collection.



Antique Photographs

Identifying 19th Century Photograph Types free Android Application.

Numerous types of photographs appeared and then went out of favor throughout the 1800s. So, the first step in narrowing the possible date for your old photograph is to be able to identify 19th-century photographs to determine what type you have. The information provided in this handy and light application can turn you into a proficient photo detective.

Download it for free here
or copy and paste this link to your browser 
https://play.google.com/store/apps/details?id=antique.photo.tech


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Creating a Knowledge Sharing Culture
Sherif Afifi

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