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The Mark III modified projector installed in the Planetario Humboldt 1950 in Caracas - Venezuela.It is the oldest in Latin America. Marks II through VI utilized two small spheres of lenses separated along a central axis. Beginning with Mark VII, Zeiss projectors adopted a new, egg-shaped design. The Mark IX Universarium is currently the most ...
The No.2 Mk 1 was the first projector to be mass-produced and could launch two rockets, both from two rails. A hand wheel elevated the projector, traverse was by hand-crank and the rocket motors were launched by electrical ignition from a battery. The base of the launcher was embedded in concrete or mounted on a No. 2 firing platform.
The Infantry Tank Mark II, better known as the Matilda, is a British infantry tank of the Second World War. [ 1 ] The design began as the A12 specification in 1936, as a gun-armed counterpart to the first British infantry tank, the machine gun armed, two-man A11 Infantry Tank Mark I .
After Kodak (USA) introduced Super-8 film, in 1965 EUMIG launched the movie camera "Viennette Super-8" and the projectors "Mark M Super-8" with threader and arrest projection and "Eumig Mark S Super-8" for Super-8 sound film. At the time, EUMIG was the only European manufacturer with a complete range of equipment for Super-8 film.
The Mark II projector was removed to the Morehead Planetarium in Chapel Hill, North Carolina, United States, in 1949. 1947: Armand N. Spitz designs a small, less expensive projector with a dodecahedron design. Within ten years the number of US planetariums rises from five to almost 200. [1] 1949
Light from a liquid light show, being projected behind a guitarist Layers of colored mineral oil and alcohol move over the projector lens and produce changing color patterns. Liquid light shows (or psychedelic light shows ) [ not verified in body ] are a form of light art that surfaced in the early 1960s as accompaniment to electronic music and ...