| A | B |
|---|
| questioned document | any document about which some issue has been raised |
| Palmer method | cursive writing style introduced to USA in 1880 |
| Zaner-Bloser method | cursive writing style introduced to USA in 1895 |
| handwriting characteristics | angularity, slope, pressure, letter spacing, word spacing |
| handwriting arrangements | margins, spacing, crowding, insertions, alignment |
| writing individualizations | spelling, phraseology, grammar, punctuation |
| exemplar | authentic sample used for comparison purposes |
| natural variations | normal deviations expected to be found between repeated specimens of an individual's handwriting |
| impact printer | rely on mechanical strike to transfer ink to paper |
| dot matrix printer | ink impacted by series of wires or dots striking paper can be configured to change print fonts |
| daisy wheel printer | ink impacted by a small wheel which contains raised metal or plastic letters to change fonts wheel must be changed |
| laser printer | nonimpact printer that uses a laser to electrostatically deposit toner on paper |
| ink jet printer | nonimpact printer that propels droplets of ink onto the paper |
| thermal printer | nonimpact printer that produces image by selectively heating heat sensitive paper |
| photocopier identification | through random debris on glass platen, inner cover, or mechanical drum |
| fax machine identification | through the TTI or transmitting terminal identifier which comes from originating machines which have distinctive types |
| erasure | removal of writing or type from a document by either chemical or abrasive instrument |
| infrared luminescence | property of some dyes that emit infra red light when exposed to blue green light |
| obliteration | blotting out or smearing writing or printing to make it unreadable |
| charred document | document that has become darkened and brittle through exposure to fire or excessive heat |
| indented writing | impressions left on paper positioned under a piece of paper that has been written on |
| electrostatic detection apparatus | applies electrostatic charge to paper to visualize indented writings |
