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This early bicycle design called the Penny-farthing was first produced about 1870. It used an enlarged front wheel instead of gears to create greater speed and a smoother ride. It was the first machine to be called a bicycle.
This American tandem rotor, heavy-lift helicopter was first used during the Vietnam War. Powered by two 4,733 horsepower turbo-shaft engines, it has a top speed of 196 mph which made it faster than any other utility and attack helicopter at that time. It remains in production and frontline service, with over 1,200 built to date.
Originally produced by McDonnell Douglas, this Boeing twin-engine army attack helicopter first entered service with the US Army in 1984. Since then it has become the primary attack helicopter of many nations. More than 2,000 have been produced.
This twin engine tactical fighter was designed for the U.S. Air Force to gain and maintain air superiority in aerial combat. It first flew July 1972 and has become among the most successful modern fighter jets with over 100 aerial combat victories.
A tower designed to emit light for marking dangerous coastlines, hazardous shoals, hidden reefs and also to help guide ships into safe harbors. Often these towers are cylindrical in order to avoid damage from strong winds.
The Sundial Bridge at Turtle Bay crosses the Sacramento River in the heart of Redding, California. Designed by world-renowned architect and engineer Santiago Calatrava, the bridge links the 300-acre north and south campuses of Turtle Bay Exploration Park. It has served as the downtown entrance to Redding’s extensive Sacramento River Trail system since it’s July 4, 2004 opening. The bridge celebrates human creativity and ingenuity, important themes of Turtle Bay. The steel, glass, and granite span evokes a sense of weightlessness and the translucent, non-skid decking provides for spectacular viewing at night, while being environmentally sensitive. The pylon, cable stays, and glass deck preserve salmon-spawning habitat beneath the bridge, while encouraging public appreciation for the river.
The largest ship afloat left Southampton, England, April 10, 1912 on her maiden voyage to New York City. Just five days later at 2:20 am on the morning of April 15th she sank after hitting an iceberg 400 miles off the coast of Nova Scotia. Of the 2,223 people on board, only 710 survived.
Bass Fiddle- Is a stringed musical instrument that usually consists of 4 strings and rests vertically on the floor when played. It is the largest instrument of the violin family with the lowest pitch sounding an octave lower than the cello. It can be played either with a bow or by plucking the strings.
Grand Piano- Is a musical instrument played using a keyboard consisting of 52 white keys and 36 black keys that cover a range of more than seven octaves. The Grand Piano is designed so that its frame and strings are parallel to the floor with the strings extending away from the keyboard. The piano also includes 3 foot pedals used to change the instrument's sound in various ways. Grand Piano photo: The photo is owned by Steinway & Sons and must always be attributed: "Photo: © Copyright Steinway & Sons".
Was a two part spacecraft used to carry a crew of two from lunar orbit to the surface of the moon and back. The descent stage served as the launch pad for the ascent stage plus it housed the landing gear, engines and fuel needed for landing. Six such craft successfully landed on the Moon between 1969 and 1972.
Mars Exploration Rover NASA's twin rovers, named Spirit and Opportunity, launched separately in 2003 and landed three weeks apart in January 2004. They made important discoveries about wet environments on ancient Mars that may have been favorable for supporting microbial life. Although Spirit ceased communicating with Earth in March 2010, Opportunity continues its work on the Red Planet.