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19-Jun-2017 06:35

One of the calls that Southworth received was from Mr. Dawson, a Forensic Document Examiner with Dawson Document Laboratory, L. For example, there are times when one party in a probate dispute will allege a “page” was inserted in a Will thereby changing the distribution of the estate to benefit an individual “the family knows the decedent despised.” Other times several family members may submit a different Will to probate, each Will bearing a different date.

For the average examiner paper analysis alone does not resolve the question.

Some ball-point pen manufacturers add ‘dating tags’ to their inks as a means of being able to identify the year in which the ink was made.

Analysis of the ink deposited on a document can then assist in determining a date after which the writing must have been made, that is the date will be on or after the date of manufacture of the ink containing a tag.

The ink dating static approach is typically more useful as the difference between the date on the document and the present time increases.

Throughout the unit, illustrative images are taken from the collections held by Manuscripts and Special Collections at the University of Nottingham.

The first ink dating method is the static approach, which determines when the ink being examined was manufactured.

Several different tests exist in this form of ink dating.

These ink dating methods include the comparison of the examined ink to a known library of standards, commonly called the library approach, the detection of chemical date tags placed in the ink purposefully by the manufacturer, commonly called the date tag method, and also the determination of the type of ink writing instrument used.

The ink dating static approach is typically more useful as the difference between the date on the document and the present time increases.

Throughout the unit, illustrative images are taken from the collections held by Manuscripts and Special Collections at the University of Nottingham.

The first ink dating method is the static approach, which determines when the ink being examined was manufactured.

Several different tests exist in this form of ink dating.

These ink dating methods include the comparison of the examined ink to a known library of standards, commonly called the library approach, the detection of chemical date tags placed in the ink purposefully by the manufacturer, commonly called the date tag method, and also the determination of the type of ink writing instrument used.

There are various libraries of information available concerning when papers were produced but these rely very heavily on the presence of a watermark in the paper.