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  2. Timeline of planetariums - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_planetariums

    Frank & John Korkosz begin work on the first optical projection planetarium built in the United States [2] The Fels Planetarium opens January 1, 1934 at Philadelphia's Franklin Institute Science Museum, using a Zeiss Mark II projector. 1935: The planetarium at Griffith Observatory opened on May 14 and the Hayden Planetarium on October 2. During ...

  3. Griffith Observatory - Wikipedia

    en.wikipedia.org/wiki/Griffith_Observatory

    Griffith Observatory Planetarium photographed circa 1937–1939. Also included in the original design was a planetarium under the large central dome. The first shows covered topics including the Moon, worlds of the Solar System, and eclipses. The planetarium theater was renovated in 1964 and a Mark IV Zeiss projector was installed.

  4. Planetarium - Wikipedia

    en.wikipedia.org/wiki/Planetarium

    The first official public showing was at the Deutsches Museum in Munich on October 21, 1923. [10] [11] Zeiss Planetarium became popular, and attracted a lot of attention. Next Zeiss planetariums were opened in Rome (1928, in Aula Ottagona, part of the Baths of Diocletian), Chicago (1930), Osaka (1937, in the Osaka City Electricity Science ...

  5. Old Hansen Planetarium - Wikipedia

    en.wikipedia.org/wiki/Old_Hansen_Planetarium

    Originally built in 1904 as the Salt Lake City Public Library, the building was renovated in 1965 to become the Hansen Planetarium. After the planetarium closed and was replaced by the Clark Planetarium in 2003, the building was remodeled into the O.C. Tanner Company Flagship jewelry store, which opened in 2009.

  6. Christofle - Wikipedia

    en.wikipedia.org/wiki/Christofle

    The purchase of the patents for electrolytic silvering and gilding in 1842, allows him to abandon the jewelry business in favor of the manufacture of goldsmith's and silversmith's wares from 1844. As the holder of the patents, he was the only one who could manufacture silver (or gold) plate in France for 10 years.

  7. Rose Center for Earth and Space - Wikipedia

    en.wikipedia.org/wiki/Rose_Center_for_Earth_and...

    Hayden Planetarium, circa 1935–45. The center is an extensive reworking of the former Hayden Planetarium, whose first projector, dedicated in 1935, had 2 successors previous to the current one. The original Hayden Planetarium was founded in 1933 with a donation by banker and philanthropist Charles Hayden of Hayden, Stone & Co.

  8. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    The first signs of established jewellery making in Ancient Egypt was around 3,000–5,000 years ago. [34] The Egyptians preferred the luxury, rarity, and workability of gold over other metals. In Predynastic Egypt jewellery soon began to symbolise political and religious power in the community.

  9. History of astronomy - Wikipedia

    en.wikipedia.org/wiki/History_of_astronomy

    This was the start of the Copernican Revolution. [3] The success of astronomy, compared to other sciences, was achieved because of several reasons. Astronomy was the first science to have a mathematical foundation and have sophisticated procedures such as using armillary spheres and quadrants. This provided a solid base for collecting and ...