CHS 3501 Lecture Notes - Lecture 22: Petrographic Microscope, Fountain Pen, Toner
1 Aug 2017
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If you plug a windows hard drive into a mac computer, the mac computer will be able to read that hard drive but it can"t write to it. Infrared luminescence is used to: reveal writing that has been erased, detect if two different inks were used in the writing of a document - both a&b. A data bank of ink dye patterns has been maintained by the u. s. secret service using: Defects that are reproduced by a photocopier onto a copied document may originate from defects in all of the following photocopier parts except: feed tray. If an investigator is to prepare standards from a suspect typewriter, the following procedure is recommended: prepare at least one copy of the text in full word-for-word order. Document examiners frequently uncover the original writing of words that have been crossed out with the aid of: infrared radiation. Some inks, when exposed to blue-green light, absorb ________ radiation and emit light. infrared.
