Exposing Restored Writing to the Sun


CHAPTER XIV

DETECTING FRAUD AND FORGERY IN PAPERS AND DOCUMENTS

Infallible Rules for the Detection of Same--New Methods of
Research--Changing Wills and Books of Accounts--Judgment of the
Naked Eye--Using a Microscope or Magnifying Glass--Changeable
Effects of Ink--How to Detect the Use of Different Inks--Sized
Papers Not Easily Altered--Inks That Produce Chemical Effects--Inks
That Destroy Fiber of Paper--How to Test Tampered or Altered
Documents--Treating Papers Suspected of Forgery--Using Water to
Detect Fraud--Discovering Scratched Paper--Means Forgers Use to
Mask Fraudulent Operations--How to Prepare and Handle Test
Papers--Detecting Paper That Has Been Washed--Various Other
Valuable Tests to Determine Forgery--A Simple Operation That
Anyone Can Apply--Iodine Used on Papers and Documents--An Alcohol
Test That Is Certain--Bringing Out Telltale Spots--Double
Advantage of Certain Tests--Reappearance of Former Letters or
Figures--What Genuine Writing Reveals--When an Entire Paper or
Document is Forged


CHAPTER XV

GUIDED HANDWRITING AND METHOD USED

The Most Frequent and Dangerous Method of Forgery--How to Detect