Star Series Bank Notes
Star Series Bank Notes Some interesting information on Bank Notes:- The bank notes issued by the...
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AM / FM Screening process
Written by : N.R. Jayaraman FM and AM Screen The Halftone screening process first surfaced in the...
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Reprographic Processes- Origin and development
(Written by N.R. Jayaraman) Photocopying, widely used by general public, business houses,...
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Water Mark and its origin
The embedding of Water mark on paper is considered to be one of the strongest security features to...
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Stamps and Security features
The evolution and systemic growth of Postal communication led to the introduction of stamps. The...
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