English Wikipedia - The Free Encycl...
Download this dictionary
Cyanotype
Cyanotype
is a
photographic printing process
that produces a
cyan-blue
print. Engineers used the process well into the 20th century as a simple and low-cost process to produce copies of drawings, referred to as
blueprints
. The process uses two chemicals:
ammonium iron(III) citrate
and
potassium ferricyanide
.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License