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121USS Triton (SSRN-586) — USS Triton (SSRN/SSN 586), a U.S. Navy nuclear powered radar picket submarine, was the first vessel to execute a submerged circumnavigation of the Earth, accomplishing this during her shakedown cruise in early 1960. She also has the distinction… …
122LCD projector — An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern analog of the slide projector or overhead projector. OverviewTo display images, LCD (liquid crystal… …
123Robert W. Wood — Infobox Scientist name = Robert Williams Wood box width = image width =150px caption = Robert Williams Wood birth date = May 2, 1868 birth place = Concord, Massachusetts death date = August 11, 1955 death place = Amityville, New York residence =… …
124Graflex — was a manufacturer, a brand name and several models of cameras. William F. Folmer, an inventor, built the first Graflex camera in 1898, when his company was called The Folmer and Schwing Manufacturing Company. Founded originally in New York as a… …
125United States Lighthouse Service — The United States Lighthouse Service, also known as the Bureau of Lighthouses, was the agency of the US Federal Government that was responsible for the upkeep and maintenance of all lighthouses in the United States. The agency was created in 1910 …
126Floyd Collins — Infobox Person name = Floyd Collins image size = caption = Floyd Collins. His lapel ribbon reads GREAT CRYSTAL CAVE. birth date = birth date|1887|7|20 birth place = death date = c. death date|1925|2|13 death place = other names = known for =… …
127Mechanical television — This schematic shows the circular paths traced by the holes in a Nipkow disk. Mechanical television (also called televisor) was a broadcast television system that used mechanical or electromechanical devices to capture and display video images.… …
128Science and invention in Birmingham — Birmingham is the second largest city in the United Kingdom. It is one of the country s principal industrial centres and has an impressive history of industrial and scientific innovation.16th century1547: Although no record is kept to indicate… …
