This page shows effectiveness of Infra Red in ‘removing’ ink and paint …
1 With Front Lighting – How Infra Red ‘removes’ ink thereby revealing pencil
2 With Front Lighting – How Infra Red ‘removes’ ink from print
3 White Lighting and Infra Red are used for both Front Lighting and for Back Lighting
The source of white back lighting is a 1 mm thick electroluminescent sheet.
4 With Front Lighting – How Infra Red ‘removes’ some unwanted paint from painting
This is a painting by a World War II British soldier.
1 of 180 pictures in the Gregson Collection – North Africa and Italy.
The picture above was taken with white light.
The picture below was taken with infra red …
Here is a close up of part of both …
The Arabic print is visible. It is an Arabic newspaper from Ramadan 1362/c. September 1943 and begins with the event of Eid al-Fitr or the Feast of Breaking the Fast and states that the newspaper was not going to be published for a few days.
The large letters, in the title on the right, read “The Balkans and south of Germany” and are possibly connected to the phrase “a target of heavy bombardment …”. The phrases are cut off but on the left side, where there is a number, it reads: “14 airplanes”. Other key words include: Cairo – The government of Yugoslavia – The German vessels.
Thanks due to Donald Kerr (New Zealand), Liz Mardoyan (California), Daša Pahor (Germany) and Majid Daneshgar (Germany) all of the exlibris online community for help in reading the Arabic.
The earlybook imaging system (shown below) allows the highest quality white light and infra red front lit and back lit images to be captured …
The Book Bridge (shown below) when used with one’s own camera / smart phone and a light sheet is a truly portable means of acquiring front lit and back lit images …
Registered Designs Act, 1949
Registered Design 6005723
13 January 2017
Light Sheets (Sizes on demand)
Earlybook Imaging System
All Available from earlybook.info