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  2. Casio F-91W - Wikipedia

    en.wikipedia.org/wiki/Casio_F-91W

    The lower left button, labeled "Mode", cycles the modes of the watch: time display, alarm, stopwatch, and time/date adjustment. The right button, labeled "Alarm On-Off/24hr", is the function button: when used, it starts and stops the stopwatch, changes the settings currently being adjusted, or switches between the 12- and 24-hour modes ...

  3. Operation Gold - Wikipedia

    en.wikipedia.org/wiki/Operation_Gold

    Soviet officer inside the tunnel. Operation Gold (also known as Operation Stopwatch by the British) was a joint operation conducted by the American Central Intelligence Agency (CIA) and the British MI6 Secret Intelligence Service (SIS) in the 1950s to tap into landline communication of the Soviet Army headquarters in Berlin using a tunnel into the Soviet-occupied zone.

  4. List of bombs - Wikipedia

    en.wikipedia.org/wiki/List_of_bombs

    Car bomb: A vehicle is packed with explosives and detonated. Cluster bomb: Over a hundred nations outlaw them now. The first one was Butterfly Bomb: Germany: General-purpose bomb: Glide bomb: Guided bomb: Improvised explosive device: Land mine: Explodes when pressure is applied to the bomb. Outlawed in 164 nations. 1832 Ming Dynasty: Laser ...

  5. Estoppey D-series - Wikipedia

    en.wikipedia.org/wiki/Estoppey_D-series

    An Estoppey D-1 in the bomb aiming window of a Martin MB-2 bomber. In this case, the sight is rotated to the right to account for wind. The Estoppey D-series was a line of inter-war era bombsights developed by Georges Estoppey of the US Army Air Corps' McCook Field, starting with the D-1 of 1922.

  6. Drift Sight - Wikipedia

    en.wikipedia.org/wiki/Drift_Sight

    The Drift Sight eliminated the need for a stopwatch to perform this calculation, as on earlier devices, and greatly eased the bomb aimer's workload. The Drift Sight was quickly introduced into RNAS service and quickly thereafter by the Royal Flying Corps (RFC) as well.

  7. Bombsight - Wikipedia

    en.wikipedia.org/wiki/Bombsight

    An early bombsight, 1910s 1923 Norden MK XI Bombsight Prototype. A bombsight is a device used by military aircraft to drop bombs accurately. Bombsights, a feature of combat aircraft since World War I, were first found on purpose-designed bomber aircraft and then moved to fighter-bombers and modern tactical aircraft as those aircraft took up the brunt of the bombing role.

  8. Course Setting Bomb Sight - Wikipedia

    en.wikipedia.org/wiki/Course_Setting_Bomb_Sight

    The bomb aimer is sighting through the white ring-shaped backsights to the pin shaped foresights (just visible against the armoured cable) and holding the bomb release switch in his right hand. The Course Setting Bomb Sight ( CSBS ) is the canonical vector bombsight , the first practical system for properly accounting for the effects of wind ...

  9. Sony timer - Wikipedia

    en.wikipedia.org/wiki/Sony_timer

    Sony's chairman of board of directors since 2005 to 2009, Ryōji Chūbachi said, in 2007, that the company was well aware of the existence of this urban legend [1] [2]. The Sony timer (ソニータイマー, Sonī taimā), or Sony kill switch, is an urban legend that electronic devices produced by Sony are equipped with a timer which, upon reaching a deliberately preset deadline, causes the ...