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  2. Belknap Hardware and Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Belknap_Hardware_and...

    The company's founder William Burke Belknap the elder (1811–1884) was born in Brimfield, Massachusetts, the son of Morris Burke Belknap the elder (1780–1877) and Phoebe Locke Thompson Belknap (1788–1873) and is not to be confused with William Burke Belknap the younger (1885–1965) or William Burke Belknap Jr.

  3. B&H Photo - Wikipedia

    en.wikipedia.org/wiki/B&H_Photo

    B&H Photo Video (also known as B&H Photo and B&H and B&H Foto & Electronics Corporation) is an American photo and video equipment retailer founded in 1973, based in Manhattan, New York City. [1] B&H conducts business primarily through online e-commerce consumer sales and business to business sales, as they only have one retail location.

  4. Kimberlite - Wikipedia

    en.wikipedia.org/wiki/Kimberlite

    It is named after the town of Kimberley in South Africa, where the discovery of an 83.5-carat (16.70 g) diamond called the Star of South Africa in 1869 spawned a diamond rush and led to the excavation of the open-pit mine called the Big Hole. Previously, the term kimberlite has been applied to olivine lamproites as Kimberlite II, however this ...

  5. B-H analyzer - Wikipedia

    en.wikipedia.org/wiki/B-H_analyzer

    A B-H Analyzer is an instrument that measures the AC magnetic characteristics of soft magnetic materials. It measures residual flux density B R and coercive force H C . It has applications in manufacturing magnetic-related products such as hard disks and magnetic tape , and in analysis of cast irons.

  6. Rockwell hardness test - Wikipedia

    en.wikipedia.org/wiki/Rockwell_hardness_test

    spheroconical diamond † Superficial: for case-hardened materials: 100: 1000 * Except for the superficial scales where it is 3 kgf, the minor load is 10 kgf. † 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.

  7. Strontium titanate - Wikipedia

    en.wikipedia.org/wiki/Strontium_titanate

    Its crystal system is cubic and its refractive index (2.410—as measured by sodium light, 589.3 nm) is nearly identical to that of diamond (at 2.417), but the dispersion (the optical property responsible for the "fire" of the cut gemstones) of strontium titanate is 4.3x that of diamond, at 0.190 (B–G interval).

  8. Administration for Strategic Preparedness and Response

    en.wikipedia.org/wiki/Administration_for...

    Under the Pandemic and All Hazards Preparedness Act of 2006 (PAHPA) (Pub. L. 109–417 (text)), HHS is the lead agency for the National Response Framework (NRF) for Emergency Support Function 8 (ESF-8).

  9. Never Summer Wilderness - Wikipedia

    en.wikipedia.org/wiki/Never_Summer_Wilderness

    The area is forested by spruce, fir, and lodgepole pine.Swampy areas in the wilderness are home to bog bean. [2]Wildlife in the Never Summer Wilderness includes moose, [2] which were reintroduced in the 1970s and '80s. [11]

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