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DARPA launched the project in mid-2022, wanting a plane that could lift large, heavy loads by skimming the water in ground effect, and capable of operating at mid-altitudes of up to 10,000 feet (3,000 m). Utilizing the ground effect, flying at an altitude equal to 5% of the wingspan can deliver 2.3 times more efficient flight performance.
The Liberty Bell, previously called the State House Bell or Old State House Bell, is an iconic symbol of American independence located in Philadelphia. Originally placed in the steeple of Pennsylvania State House, now known as Independence Hall, the Liberty Bell today is located across the street from Independence Hall in the Liberty Bell Center in Independence National Historical Park.
The Bell & Howell 2709 was the first all metal, commercially available motion picture camera. [citation needed] [2] The 2709 was so expensive that only Charlie Chaplin and three other people owned one, [3] while the rest were owned by studios. Bell & Howell introduced products that improved the quality of projected images in a movie theater.
Frederick Leaser (1738–1810) was a Pennsylvanian German farmer, patriot and soldier from Lynn in Lehigh County, Pennsylvania.During the American Revolutionary War, he transported the Liberty Bell to the Zion Reformed Church in Allentown, Pennsylvania, where it was successfully hidden and protected from the British for nine months during the British occupation of Philadelphia, then the ...
Designated NJRHP. March 8, 2016. The Bell Labs Holmdel Complex, in Holmdel Township, Monmouth County, New Jersey, United States, functioned for 44 years as a research and development facility, initially for the Bell System and later Bell Labs. [3] The centerpiece of the campus is an Eero Saarinen –designed structure that served as the home to ...
John Wilbank was an emigrant from Germany, among many other Germans whom settled in the state of Pennsylvania in the first half of the 19th century. He was a member of the Old St. George's Church of Philadelphia starting in 1801. [ 2] He was recorded first in 1813 [ 3] as a bell caster in the city directory.
The Slide Cube Projector is a slide projector and system, manufactured and marketed by Bell & Howell, which was introduced in 1970 and marketed through the 1980s.The projector derived its name from its transparent cubical plastic slide storage magazine, approximately 5.5 cm (2.2 in) in each dimension (a bit larger than a standard 135 film slide mount), that held 36 to 44 slides, depending on ...
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