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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 ...
The Astrarium, which he designed and built over a period of 16 years, was a highly complex astronomical clock and planetarium, constructed only 60 or so years after the very first all-mechanical clocks had been built in Europe, and demonstrated an ambitious attempt to describe and model the planetary system with mathematical precision and ...
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 ...
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 ...
His first book, The Pinpoint Planetarium, appeared in 1940. The first half of the book described the sky and legends attached to it. The last half of the book contained star charts to be punched out and held in front of lamps, projecting stars in their proper relationships onto a wall or other smooth clear surface. Spitz dodecahedron ...
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.
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.
The planetarium of Giovanni de Dondi, citizen of Padua: A manuscript of 1397, translated by G. H. Baillie, with additional material from another Dondi manuscript translated by H. Alan LLoyd. London: The Antiquarian Horological Society. Catherine Cardinal, Jean-Michel Piguet (1999). Catalogue d'oeuvres choisies. La Chaux-de-Fonds, Switzerland ...