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A carousel slide projector is a slide projector that uses a rotary tray to store slides, used to project slide photographs and to create slideshows. It was first patented on May 11, 1965, by David E. Hansen of Fairport, New York. Hansen was an industrial designer at the Eastman Kodak Company. [1] A patent for the rotary tray was granted in 1966 ...
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In control systems, sliding mode control ( SMC) is a nonlinear control method that alters the dynamics of a nonlinear system by applying a discontinuous control signal (or more rigorously, a set-valued control signal) that forces the system to "slide" along a cross-section of the system's normal behavior. The state - feedback control law is not ...
Many wildlife centers, like the Chintimini Wildlife Center in Corvallis, Oregon, aim to teach the public about these animals we see all the time--including a small bird called the American Kestrel ...
History. Glen Echo Park carousel, Montgomery County, Maryland. Glen Echo Park carousel building. Its founder, Gustav Dentzel, had immigrated to the United States in 1860, from Germany. Having carved carousels for his father before immigrating he opened a cabinet making shop on Germantown Ave. in Philadelphia. He soon tired of the cabinet making ...
After two Olympics held without spectators amid the coronavirus pandemic, the pin pandemonium has resurged. “Paris has been very good for pin collecting because after the pandemic, where you ...
15 puzzle. To solve the puzzle, the numbers must be rearranged into numerical order from left to right, top to bottom. The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to 15 in a frame that is 4 tile positions high and 4 tile positions wide, with ...
Lovely Lloyd’s Carrot Cake’s Famous Carrot Cake. Using 7,000 pounds of carrots daily, New York’s Lloyd’s Carrot Cake bakes one of the best carrot cakes ever. Each Famous Carrot Cake is ...