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  2. Tanabe–Sugano diagram - Wikipedia

    en.wikipedia.org/wiki/Tanabe–Sugano_diagram

    This leads to many more electron configuration states than is the case for the free ion. The relative energy of the repulsion energy and splitting energy defines the high-spin and low-spin states . Considering both weak and strong ligand fields, a Tanabe–Sugano diagram shows the energy splitting of the spectral terms with the increase of the ...

  3. Edmund Scientific Corporation - Wikipedia

    en.wikipedia.org/wiki/Edmund_Scientific_Corporation

    Edmund Scientific's factory store in Barrington, New Jersey in the mid-1970s which carried many items not listed in the catalogs. Following Sputnik, Edmund was able to capitalize on a growing national interest in science and astronomy. They expanded their business into a full line of telescopes and telescope kits as well as equipment, parts ...

  4. Blair Corporation - Wikipedia

    en.wikipedia.org/wiki/Blair_Corporation

    Orchard Brands is a holding of several different catalog retailers who target the same market. Under the leadership of Orchard Brands, Blair has seen re-organization and increased efficiency, as well as growth as Blair facilities are being expanded to handle orders from other Orchard Brand companies.

  5. List of coin catalogs - Wikipedia

    en.wikipedia.org/wiki/List_of_coin_catalogs

    A coin catalog (or coin catalogue) is a listing of coin types. Information may include pictures of the obverse and reverse (front and back), date and place of minting, distribution type, translation of inscriptions, description of images, theme, metal type, mintage, edge description, orientation of the coin, weight, diameter, thickness, design credentials, shape and prices for various grades.

  6. Henry Draper Catalogue - Wikipedia

    en.wikipedia.org/wiki/Henry_Draper_Catalogue

    The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...

  7. Eaton's catalogue - Wikipedia

    en.wikipedia.org/wiki/Eaton's_catalogue

    It was "one of the first to be distributed by a Canadian retail store". [1] The first version of the catalogue was a 32-page booklet handed out at the Industrial Exhibition (now the Canadian National Exhibition). Within twelve years, the company's mail-order department was filling over 200,000 orders per year.

  8. Witmark - Wikipedia

    en.wikipedia.org/wiki/Witmark

    Witmark was a catalog showroom and jewelry/electronics chain that operated in West Michigan from 1969 to 1997. The chain was founded by Paul Leven. The chain was founded by Paul Leven. Over its nearly 30-year history, Witmark dominated the jewelry market with an average of a 34% market share.

  9. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    WISEA — AllWISE Source Catalog; WISEP — Wide-field Infrared Survey Explorer Preliminary Release Source Catalog; WNC / Winn — Winnecke Catalogue of Double Stars; WNO — Washington Observations (double stars) (U.S. Naval Observatory, Washington D.C.) Wo — Woolley Nearby Star Catalogue; Wolf — Catalogue of High Proper Motion Stars