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Impression Without Knowledge of Party--An Interesting and Valuable
Study

CHAPTER XI

DETECTING FORGERY WITH THE MICROSCOPE

Determining Questionable Signatures By the Aid of a Microscope--A
Magnifying Glass Not Powerful Enough--Character of Ink Easily
Told--The Microscope and a Knowledge of Its Use--Experience and
Education of an Examiner of Great Assistance--An Expert's Opinion--The
Use of the Microscope Recommended--Illustrating a Method of
Forgery--What a Microscopic Examination Reveals--How to Examine
Forged Handwriting with a Microscope--Experts and a Jury--What
the Best Authorities Recommend

CHAPTER XII

SIGNATURE EXPERTS THE SAFETY OF THE MODERN BANK

A New Departure in Banks--Examining All Signatures a Sure
Preventive Against Forgery--The "Filling in" Process--How One
Forger Operated--Marvelous Accuracy of a Paying Teller--How He
Attained Perfection--How Signature Clerks Work--A Common Dodge
of Forgers--Post Dated Checks--A System That Prevents Forged and
Raised Checks--Not a Forged or Raised Check Paid in Years

CHAPTER XIII

HOW TO DETERMINE AGE OF ANY WRITING

The Different Kinds of Ink Met With--Inks That Darken by Exposure
to Sunlight and Air--Introduction of Aniline Colors to Determine
the Age of Writings--An Almost Infallible Rule to Follow--Determining
Age of Writing By Ink Used--The Ammonia System a Sure One--A
Question of Great Interest to Bankers and Bank Employes--Thick and
Thin Inks--So-Called Safety Inks That Are Not Safe--How to Restore
Faded Inks--An Infallible Rule--Restoring Faded Writing--Restored
By the Silk and Cotton System That Anyone Can Arrange--Danger of
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--Io