Individual characteristic
A characteristic unique to a specific typewriter unit arising from manufacturing variation or service wear; used to identify or eliminate a specific machine as the source of a questioned document.
Explained in these topics
- Physical Evidence: Types, Classification, Probative Value
- Track Marks: Foot, Shoe, Tire, Skid Marks and Gait Pattern
- Tool Marks: Meaning, Types and Examination
- Handwriting Characteristics, Factors and Standard Samples
- Footwear, Tyre and Footprint Impression Evidence
- Handwriting Individuality and Class vs Individual Characteristics
- Typewriter Examination: Mechanical, Electric and Electronic