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  2. Cluny Macpherson (physician) - Wikipedia

    en.wikipedia.org/wiki/Cluny_Macpherson_(physician)

    Cluny's gas mask, which came to be called the British Smoke Hood was used between June and September 1915, during which time some 2.5 million were produced The German army used poison gas for the first time against Allied troops at the Second Battle of Ypres , Belgium on April 22, 1915. [ 5 ]

  3. Castles II: Siege and Conquest - Wikipedia

    en.wikipedia.org/wiki/Castles_II:_Siege_and_Conquest

    Castles II: Siege and Conquest is a 1992 real-time strategy game for the MS-DOS, developed by Quicksilver Software and published by Interplay Productions. Castles II is the sequel to the 1991 game Castles. Ports for the Amiga CD32, FM Towns, NEC PC-9801 were released in 1993. DOS CD-ROM version and Macintosh port were released in 1994.

  4. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.

  5. List of Castle characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Castle_characters

    Captain Katherine "Kate" Houghton Beckett (portrayed by Stana Katic) is a homicide detective with the NYPD. Having graduated from New York City's prestigious Stuyvesant High School and Stanford University, she is a first-class investigator who has gained a reputation as a detective who is intrigued by unusual cases, although she is also known for her ability to empathize with the victims of ...

  6. List of Catch-22 characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Catch-22_characters

    Captain John Yossarian is a fictional character in Joseph Heller's novel Catch-22 and its sequel Closing Time, and the protagonist of both books.In Catch-22, Yossarian is a 28-year-old Captain (later Major) and the bombardier of a North American B-25 Mitchell in the 256th Bombardment Squadron of the Army Air Forces, stationed on the small island of Pianosa off the Italian mainland during World ...

  7. Cyanogen - Wikipedia

    en.wikipedia.org/wiki/Cyanogen

    Cyanogen is typically generated from cyanide compounds. One laboratory method entails thermal decomposition of mercuric cyanide: . 2 Hg(CN) 2 → (CN) 2 + Hg 2 (CN) 2 Or, one can combine solutions of copper(II) salts (such as copper(II) sulfate) with cyanides; an unstable copper(II) cyanide is formed which rapidly decomposes into copper(I) cyanide and cyanogen.

  8. Castlevania II: Simon's Quest - Wikipedia

    en.wikipedia.org/wiki/Castlevania_II:_Simon's_Quest

    The player-character Simon can buy items and talk to villagers for clues. Gameplay in Castlevania II: Simon's Quest departs from the platforming genre of the first Castlevania, and introduces nonlinear gameplay and role-playing elements inspired by The Maze of Galious (1987), including a world map which the player is free to explore and revisit.

  9. Crossword - Wikipedia

    en.wikipedia.org/wiki/Crossword

    Often, a straight clue is not in itself sufficient to distinguish between several possible answers, either because multiple synonymous answers may fit or because the clue itself is a homonym (e.g., "Lead" as in to be ahead in a contest or "Lead" as in the element), so the solver must make use of checks to establish the correct answer with ...