Secret Ink

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Secret Ink

a chemical compound in the form of a colorless or faintly colored liquid used to write secret messages. The juices of certain plants are sometimes used as secret inks. A text written with secret ink is invisible under normal conditions. In order to make the text visible, the document must be heated, exposed to ultraviolet radiation, or treated with chemical reagents.

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No references found			It''s not very likely that the ink in your printer is made from some super secret ink formula right? Where Did All the Cheap Inkjet Cartridges Come from? by Niall Roche / Computers and Internet community Elsewhere, the DD collection includes jig saw puzzles, board games, spacemen sets and even a painting by numbers set and another favourite comprising a tie clip, a tin of tooth powder, another containing secret ink and a pair of field glasses, all licensed by Eagle Comics and all dating from the 19650s and 60s. The value in the toy box; antiques by Daily Post (Liverpool, England) There's a colourful array of Dan memorabilia in the Christie's sale, including stencil sets, jigsaw puzzles, ray guns, walkie-talkies, pocket-watches, games, a radio station, lead figures, and even secret ink and toothpowder. Winding back the years to toys of times past; ANTIQUES&COLLECTING ... by The Birmingham Post (England)			secondary truss member secondary twinning secondary tympanic membrane secondary voltage secondary wall secondary wave secondary weapon secondary winding secondary xylem secondary-electron conduction seconds pendulum Secor Metropark Secord, Laura (Ingersoll) secos Secrecy of Correspondence secrecy system secret Secret Agent, The Secret Chancellery Secret Committees secret dovetail secret fixing secret gate latch secret gutter Secret History Secret Ink secret joggle secret key secret key cryptography secret nailing Secret Office of the Senate secret police secret room secret screw joint secret screwing secret service Secret Service, United States Secret Societies secret society secret tenon secret valley secret weapon secret-key algorithm Secretan, Charles Secrétan, Charles secretariat Secretariat of the Central Committee of the Communist Party of the Secretariat of the United Nations Secretariat, United Nations secretary Secretary Bird			Secret City Scenic Excursion Train secret code Secret Committees secret communication Secret court Secret court Secret Criminal Underground Movement Secret Crush Secret decoder ring Secret Detention Centers Secret Diplomatic Transit Payment secret dovetail secret dovetail secret fixing Secret Formerly Restricted Data Secret formula Secret formula Secret formula secret fraudulent understanding Secret French Kissing Society Secret Friends secret gate latch Secret Girlfriend secret group secret gutter Secret Hacker Society Secret Headquarters of Intelligence Espionage and Law Division Secret history Secret Ink Secret Intelligence Service Secret Intelligence Service Secret Internet Fatty SECRET Internet Protocol Router Network SECRET Internet Protocol Router Network Secret Internet Protocol, Routed secret joggle Secret key Secret key secret key cryptography Secret Key Directory File Secret Key Identification secret knock Secret knowledge Secret knowledge Secret Knowledge of Organized Lawbreakers Secret language of birds Secret Liberal Cabal Secret Life of Walter Mitty Secret lodge Secret lodge Secret Lover Secret marriage Secret Masters Of Fandom Secret Masters of Gaming Secret Masters of the Universe Secret Men's Business Secret Military Underground Resistance Force secret nailing

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