POSITIVE AND DEFINITIVEARCHIVAL PROTECTION
GIVING THE PAST A FUTURE
Linear Measurements
1 micron = 0.001mm
25 micron = 1/1000"app
50 micron = 2/1000 app
75 micron = 3/1000 app
100 micron = 4/1000 app
1" = 25.4mm
1mm = 0.03937