MAgnetic Ink

Frankn

Gold Member
Mar 21, 2010
8,711
2,989
Maryland
Detector(s) used
XLT , surfmaster PI , HAYS 2Box , VIBRA-TECTOR
Magnetic ink was developed for use in automatic check reading machines designed by NCR. As I remember , it was around 1959.
US paper money, which is made from cotton fiber,not paper, contains metallic fibers also along with the red and blue died small marker fibers.
Want to see something wild, pick up a new $2 bill from the bank. Frank
 

Top Member Reactions

Users who are viewing this thread

Top