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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 ...
His silver and jewelry designs from this period often featured plump abstract organic shapes and were accented with gemstones like amber, garnet, citrine, malachite, moonstone, and opal. This approach reflected his personal style, which was rooted in the Art Nouveau movement, but also transcended it with a more streamlined version popular in ...
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.
Conversely, the jewellery industry in the early 20th century launched a campaign to popularise wedding rings for men, which caught on, as well as engagement rings for men, which did not, go so far as to create a false history and claim that the practice had medieval roots. By the mid-1940s, 85% of weddings in the U.S. featured a double-ring ...
In the 1960s—1970s, the German government and commercial jewelry industry fostered and heavily supported modern jewelry designers, thus creating a new marketplace. They combined contemporary design with traditional goldsmithing and jewelry making. Orfevre, the first gallery for art jewelry, opened in Duesseldorf, Germany, in 1965.
An astrarium, also called a planetarium, is a medieval astronomical clock made in the 14th century by Italian engineer and astronomer Giovanni Dondi dell'Orologio. The Astrarium was modeled after the solar system and, in addition to counting time and representing calendar dates and holidays, showed how the planets moved around the celestial ...
Having apprenticed in the workshop of New York City jeweler Rudolph Cacioli at the age of 14, [1] [7] Dunay learned the fine art of creating jewelry. Though starting as an errand boy, he quickly worked his way up to becoming a master model maker and setter at a remarkably young age, impressing Cacioli with the fineness of his work and the refinement of his proportions and curves.
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 ...