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  2. Colt Army Model 1860 - Wikipedia

    en.wikipedia.org/wiki/Colt_Army_Model_1860

    Colt had been criticized for this high price, and by 1865 the revolver was reduced to $14.50 ($289.00 in 2023). The Colt "Army" revolver is to be distinguished from the Colt "Navy" revolver of which there were two models, the octagonal barrel Model 1851 Navy, and the round-barreled Model 1861 Navy, both Navy models being in the smaller .36 ...

  3. History of spectroscopy - Wikipedia

    en.wikipedia.org/wiki/History_of_spectroscopy

    Spectroscope of Kirchhoff and Bunsen. The systematic attribution of spectra to chemical elements began in the 1860s with the work of German physicists Robert Bunsen and Gustav Kirchhoff, [30] who found that Fraunhofer lines correspond to emission spectral lines observed in laboratory light sources. This laid way for spectrochemical analysis in ...

  4. Robert Bunsen - Wikipedia

    en.wikipedia.org/wiki/Robert_Bunsen

    Robert Wilhelm Eberhard Bunsen (German:; 30 March 1811 [a] – 16 August 1899) was a German chemist. He investigated emission spectra of heated elements, and discovered caesium (in 1860) and rubidium (in 1861) with the physicist Gustav Kirchhoff. [11] The Bunsen–Kirchhoff Award for spectroscopy is named after Bunsen and Kirchhoff.

  5. List of revolvers - Wikipedia

    en.wikipedia.org/wiki/List_of_revolvers

    Collier flintlock revolver: John Evans & Son of London 5-7 United States United Kingdom: 1814 [citation needed] Colombo-Ricci revolver: 10.35mm Ordinanza Italiana 6 Kingdom of Italy: c.1910-? [2] Colt 1851 Navy Revolver: Colt's Manufacturing Company.36 caliber ball.38 rimfire.38 Short Colt: 6 United States: 1851-1873 Colt 1861 Navy Revolver

  6. List of firearms before the 20th century - Wikipedia

    en.wikipedia.org/wiki/List_of_firearms_before...

    This is an extensive list of antique guns made before the year 1900 and including the first functioning firearms ever invented. The list is not comprehensive; create an entry for listings having none; multiple names are acceptable as cross-references, so that redirecting hyperlinks can be established for them.

  7. Gustav Kirchhoff - Wikipedia

    en.wikipedia.org/wiki/Gustav_Kirchhoff

    [1] [2] He also coined the term black body in 1860. [3] Several different sets of concepts are named "Kirchhoff's laws" after him, which include Kirchhoff's circuit laws, Kirchhoff's law of thermal radiation, and Kirchhoff's law of thermochemistry. The Bunsen–Kirchhoff Award for spectroscopy is named after Kirchhoff and his colleague, Robert ...

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  9. 1860 in science - Wikipedia

    en.wikipedia.org/wiki/1860_in_science

    September 3–5 – Karlsruhe Congress, the first international meeting of chemists. Marcellin Berthelot rediscovers and names acetylene.; Robert Bunsen and Gustav Kirchhoff, using their newly improved spectroscope, discover and name caesium in mineral water from Bad Dürkheim, Germany.