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  2. .320 Revolver - Wikipedia

    en.wikipedia.org/wiki/.320_Revolver

    The .320 Revolver was designed for the Webley Bull Dog pocket revolver in 1868 and similar revolvers made in Belgium that followed. The .320 can be viewed as a centerfire version of the .32 Rimfire, albeit less powerful. Certain types of .32 Short Colt cartridges had a slightly different-sized rim.

  3. Savinelli Pipes - Wikipedia

    en.wikipedia.org/wiki/Savinelli_Pipes

    Savinelli Pipes is an Italian smoking pipe maker headquartered in Milan and founded in 1876. [ 1 ] [ 2 ] The company makes machine and carved pipes, and is recognized for its craftsmanship. [ 3 ]

  4. Hardnesses of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Hardnesses_of_the_elements...

    Help; Learn to edit; Community portal; Recent changes; Upload file; Special pages

  5. Hierarchy of precious substances - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_precious...

    The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...

  6. Dartz - Wikipedia

    en.wikipedia.org/wiki/Dartz

    The Prombron came in nine distinct models: Iron Diamond, Iron Xtal, Monaco Red Diamond Edition, Black Dragon, Black Russian, Gold Russian, Aladeen, White Horse, and Monako. [8] Dartz Pombron. Since September 2014, the product line consists of Prombron Black Shark [9] and Black Snake. [10]

  7. Superhard material - Wikipedia

    en.wikipedia.org/wiki/Superhard_material

    It is unclear whether the synthesis products are diamond-like solid solutions between carbon and boron nitride or just mechanical mixtures of highly dispersed diamond and c-BN. In 2001, a diamond-like-structured c-BC 2 N was synthesized at pressures >18 GPa and temperatures >2,200 K by a direct solid-state phase transition of graphite-like (BN ...

  8. Rockwell hardness test - Wikipedia

    en.wikipedia.org/wiki/Rockwell_hardness_test

    † Also called a Brale indenter, is made with a conical diamond of 120° ± 0.35° included angle and a tip radius of 0.200 ± 0.010 mm. § The Rockwell number precedes the scale abbreviations (e.g., 60 HRC), except for the "Superficial scales" where they follow the abbreviations, separated by a ‘-’ (e.g., 30N-25).

  9. 320th Barrage Balloon Battalion - Wikipedia

    en.wikipedia.org/wiki/320th_Barrage_Balloon...

    First, it was the only American barrage balloon unit in France and second, it was the first black unit in the segregated American Army to come ashore on D-Day. [5] Five battalion medics were the first to land on Omaha Beach at approximately 9 a.m. [ 6 ] A wounded medic, Waverly B. Woodson Jr. , was nominated for the Medal of Honor , though he ...