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  2. CD V-700 - Wikipedia

    en.wikipedia.org/wiki/CD_V-700

    CD V-700. The CD V-700 (often written as "CDV-700") is a Geiger counter employing a probe equipped with a Geiger–Müller tube, manufactured by several companies under contract to United States federal civil defense agencies in the 1950s and 1960s. While all models adhere to a similar size, shape, coloring and form-factor, there were ...

  3. Civil defense Geiger counters - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_Geiger_counters

    The CD V-700 is a Geiger counter employing a probe equipped with a Geiger–Müller tube manufactured by several companies under contract to US federal civil defense agencies in the 1950s and 1960s. This unit is quite sensitive and can be used to measure low levels of gamma radiation and detect beta radiation. In cases of high-radiation fields ...

  4. Geiger counter - Wikipedia

    en.wikipedia.org/wiki/Geiger_counter

    The sound of a geiger counter. A Geiger counter(/ˈɡaɪɡər/, GY-gər;[1]also known as a Geiger–Müller counteror G-M counter) is an electronic instrument used for detecting and measuring ionizing radiation. It is widely used in applications such as radiation dosimetry, radiological protection, experimental physicsand the nuclear industry.

  5. Jones Counter - Wikipedia

    en.wikipedia.org/wiki/Jones_Counter

    The Jones Counter is a type of bicycle odometer which adds the function of a surveyor's wheel to a bicycle. It was developed in 1971 by Alan Jones to accurately measure the length of road running race courses. [1] The counter has gears that drive a mechanical digital counter. One count typically corresponds to about 1/20 of a wheel revolution ...

  6. Tally counter - Wikipedia

    en.wikipedia.org/wiki/Tally_counter

    A tally counter is usually cased in metal and is cylindrical in shape. Part of the circle is flattened out and contains a window of plastic or glass. Inside the counter are a number of rings with the numbers from 0 to 9 in descending order going clockwise. Most counters have four such rings, allowing the user to count up to 9999.

  7. Jeton - Wikipedia

    en.wikipedia.org/wiki/Jeton

    Jeton. Jetons or jettons are tokens or coin -like medals produced across Europe from the 13th through the 18th centuries. They were produced as counters for use in calculation on a counting board, a lined board similar to an abacus. Jetons for calculation were commonly used in Europe from about 1200 to 1700, [1] and remained in occasional use ...

  8. Low-background steel - Wikipedia

    en.wikipedia.org/wiki/Low-background_steel

    A body counting room at the Rocky Flats Plant in Denver, Colorado, made entirely from pre-World War II steel. Low-background steel, also known as pre-war steel[1] and pre-atomic steel, [2] is any steel produced prior to the detonation of the first nuclear bombs in the 1940s and 1950s. Typically sourced from ships (either as part of regular ...

  9. United Nations Convention on Contracts for the International ...

    en.wikipedia.org/wiki/United_Nations_Convention...

    The United Nations Convention on Contracts for the International Sale of Goods (CISG), sometimes known as the Vienna Convention, is a multilateral treaty that establishes a uniform framework for international commerce. [1][Note 1] As of December 2023, it has been ratified by 97 countries, representing two-thirds of world trade.

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