White and Infra Red

This page shows effectiveness of Infra Red in ‘removing’ ink and paint …

1 With Front Lighting – How Infra Red ‘removes’ ink thereby revealing pencil

Front Lit – White Light
Front Lit – Infra Red

2 With Front Lighting – How Infra Red ‘removes’ ink from print

Johannes Potken, The Psalms, followed by Sacred Canticles and the Song of Songs. (Rome, 1513), King’s College London, Foyle Special Collections [Marsden Coll.] R8/1.

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.

White Light

The picture above was taken with white light.

The picture below was taken with infra red …

Infra Red Light

Here is a close up of part of both …

White Light Infra Red

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 …

Book Bridge
Book Bridge over a book
Recommend use 10 second Delayed Exposure
Book Bridge
Larger Book

Light Sheet in Position but ‘off’
Camera in Position
Light Sheet in Position and ‘on’
Camera in Position

Registered Designs Act, 1949

Registered Design 6005723

13 January 2017

Light Sheets (Sizes on demand)

Earlybook Imaging System

Book Bridge

All Available from earlybook.info

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