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  2. Yerkes Observatory - Wikipedia

    en.wikipedia.org/wiki/Yerkes_Observatory

    Yerkes Observatory (/ ˈ j ɜːr k iː z / ⓘ YUR-keez) is an astronomical observatory located in Williams Bay, Wisconsin, United States. The observatory was operated by the University of Chicago Department of Astronomy and Astrophysics [ 2 ] [ 3 ] from its founding in 1897 until 2018.

  3. Glass animal collectibles - Wikipedia

    en.wikipedia.org/wiki/Glass_animal_collectibles

    Dustav Dentzel started a company that made the parts. Art Nouveau is known for his cameo glass. He used the acid-cutting method to create his pieces. [1] Ancient glassworkers would make vessels, vases, and eating utensils. The glass was decorated by adding molten colored glass drips to the final product. Glassblowing was introduced to shape the ...

  4. NGC 2264 - Wikipedia

    en.wikipedia.org/wiki/NGC_2264

    NGC 2264 is the designation number of the New General Catalogue that identifies two astronomical objects as a single object: the Cone Nebula, and the Christmas Tree Cluster. Two other objects are within this designation but not officially included, the Snowflake Cluster , [ 3 ] [ 4 ] and the Fox Fur Nebula . [ 5 ]

  5. Wikipedia:Public domain image resources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Public_domain...

    This is one of the largest collections of public domain images online (clip art and photos), and the fastest-loading. Maintainer vets all images and promptly answers email inquiries. Open Clip Art – This project is an archive of public domain clip art. The clip art is stored in the W3C scalable vector graphics (SVG) format.

  6. List of largest optical refracting telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_optical...

    The Swedish 1-m Solar Telescope, with a lens diameter of 43 inches, is technically the largest, with 39 inches clear for the aperture.The second largest refracting telescope in the world is the Yerkes Observatory 40 inch (102 cm) refractor, used for astronomical and scientific observation for over a century.

  7. List of the largest optical telescopes in North America

    en.wikipedia.org/wiki/List_of_the_largest...

    Name/Observatory Aperture cm (in) Type Location then (Original Site) Extant* Yerkes Observatory [6] 102 cm (40") achromat: Williams Bay, Wisconsin, USA: 1897 James Lick telescope, Lick Observatory: 91 cm (36") achromat: Mount Hamilton, California, USA: 1888 Crossley Reflector [13] 91.4 cm(36") reflector – glass: Lick Observatory, California ...

  8. File:Yerkes Observatory, Williams Bay Wisconsin, c. 1900.jpg

    en.wikipedia.org/wiki/File:Yerkes_Observatory...

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  9. Christmas ornament - Wikipedia

    en.wikipedia.org/wiki/Christmas_ornament

    On Christmas Eve 1832, a young Victoria wrote about her delight at having a tree, hung with lights, ornaments, and presents placed round it. [6] In the 1840s, after a picture of Victoria's Christmas tree was shown in a London newspaper decorated with glass ornaments and baubles from her husband Prince Albert 's native Germany, Lauscha began ...