who made the step reckoner
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The Leibniz Step Reckoner and Curta Calculators The Leibniz Step Reckoner. Gottfried Leibniz’s 1673 “Step Reckoner” introduced a design innovation that enabled a single gear to represent any digit from 0 to 9 in just one revolution. This stepped-drum approach dominated calculator design for the next two centuries.
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- Maybe 100 or so kits were sold, but soon people started asking me for a conversion to load .30-06 rifle ammunition on the Star machine. That’s when I decided to make my own reloader. The RL-1000 was the first full-fledged Dillon Precision product. Manufacture started out in my garage, then we moved into a small shop. We started the company on a $30,000 loan against our house. Our first hobby-level progressive loader – The RL-300 – was a major learning experience. We built maybe 900 or 1000 of them, and lost about $100 on each one.
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The Last of the Mohicans It is also inspired, of course, by the novel by James Fenimore Cooper, whose frontier fantasies were completely demolished in an hilarious essay by Mark Twain, who noted that whenever the plot required a twig to be stepped on, a Cooper character was able to find a twig and step on it, no matter what the difficulty.
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- Stepford Guys: the classic tale of suburban paranoia turns 40 by Walker, Jesse / Reason. She told friends after hearing details of the Hollywood handcuffs deal to work alongside Simon Cowell in America: I'll be no better off than a. Wife.
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James Savoy Savoy is first seen in the beginning of the movie leading Cemetery Wind at a boat pier. Using mini-drones and a heat signature scanner, Savoy's men successfully used 2 explosions to break down Ratchet, with the second blowing his leg off.
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Willie Banks: hand clap pioneer Willie Banks: hand clap pioneer. Ahead of this year’s Stockholm Diamond League, former world triple jump record holder Willie Banks tells SPIKES how, with the help of some drunken fans, he unwittingly invented the slow, rhythmic hand clap in Stockholm some 33 years ago.
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- McCormick horse drawn mower . Plano Harvester horse drawn mower. Massey Harris horse drawn Cultivator. This is my Cockshutt horse drawn potato scuffler This is a planet Jr. garden horse drawn Cultivator. This is my horse drawn Hoosier seeder made by IHC (hoe type) Built from 1884 to 1948. This is my horse drawn solid steel scraper ,with runner. This is a John Deere double action JB disk harrow 8 foot dubble disk My BZPT24D6 Dubble-Disk Case Grain Drill A unknow brand Dump Style Hay Rake, early 1900's This is my IHC, horse drawn hay rake that I got at action , this hay rake would be early 1900's.
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- For other uses, see The Gunslinger (disambiguation). The Gunslinger is a novel by American author Stephen King and is the first volume in the Dark Tower series, of which King wrote in 1982 that he considers it his magnum opus. Initially a fix-up novel that strung together five short stories published between 1978 and 1981, it was first published in book form in 1982.
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- Financial Times pub-lisher Pearson led the Footsie fallers for a time after shareholders at its annual general meeting were told of a 'significant deterioration' in advertising revenues in the year to date.
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The SlideRider Turns Stairs Into A Slide This is the SildeRider, a set of folding mats that converts a staircase into a slide. It was invented by Trisha Cleveland who’s working in conjunction with Quirky to make the inside slide a real product you can buy.
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woodworker Make a pencil mark on it near one of the edges, what the woodworker would call his witness mark.
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Steppin' Out (Joe Jackson song) From Wikipedia, the free encyclopedia.  Steppin' Out  is a song written by Joe Jackson, originally included on his 1982 album Night and Day. The song, inspired by Jackson's time in New York City, was his highest charting single in America.
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- Draw the Line is Aerosmith's fifth album and was originally released on December 1, 1977. It was recorded in 1977 at The Cenacle (an abandoned convent) and The Record Plant. Produced by Aerosmith and Jack Douglas, it is considered to be one of the great Heavy Metal albums.
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- Thomas Dobbs (actor) of Birmingham invents a reaping machine in 1814, which consists of a circular saw or sickle, the grain is drawn or fed up to the saw by means of a pair of rollers. Patrick Bell of Scotland created a reaper that used a revolving reel, cutting knife and canvas conveyor in 1828.
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White cane In 1944, he took the Lions Club white cane (originally made of wood) and went around the hospital blindfolded for a week. During this time he developed what is now the standard method of long cane training or the Hoover Method. He is now called the Father of the Lightweight Long Cane Technique..
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- Gregg Braden is at the forefront of the New Age movement with his books, Awakening to Zero Point, The Isaiah Effect and Walking Between The Worlds. An ex-computer programmer, Braden presents himself as a scientist and modern-day prophet at the cutting edge of research into our collective destiny and the science of prayer.
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Mosrite At this time, Mosrite made everything in-house, except for the tuners. The full The Ventures line consisted of the Mark I, Mark II, Mark V, Mark X (bass) and Mark XII (12 string). The Ventures line started in 1963 and ran through 1967; when the licensing agreement with The Ventures ended.
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Verge escapement Verge and foliot escapement from De Vick clock, built Paris, 1379, by Henri de Vick. The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, the mechanism in a mechanical clock that controls its rate by allowing the gear train to advance at regular intervals or 'ticks'. Its origin is unknown.
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- When Engelberger and his Unimation Inc. brought the Unimate die-caster into Ternstedt's Ewing plant, 3,000 men and women were under employment and few of them wanted to operate the dangerous old equipment for molding door handles and the like.
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- A replica of the Stepped Reckoner of Leibniz form 1923 (original is in the Hannover Landesbibliothek) The mechanism of the machine is 67 cm long, 27 wide and 17 cm high and is housed in a big oak case with dimensions 97/30/25 cm. Let's examine what is the principle of the stepped-drum (see the lower sketch).
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Oxford Calculators These men took a strikingly logico-mathematical approach to philosophical problems. The key calculators, writing in the second quarter of the 14th century, were Thomas Bradwardine, William Heytesbury, Richard Swineshead and John Dumbleton. These men built on the slightly earlier work of Walter Burley and Gerard of Brussels.
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- Ob River. The Ob River (Russian: обь; IPA: [opʲ]), also Obi, is a major river in western Siberia, Russia, and is the world's seventh-longest river. It forms at the confluence of the Biya and Katun Rivers which have their origins in the Altay Mountains.
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- VIDEO OF WOODWORKERS AND ENGINEERS TRY SQUARES : The woodworkers try-square is composed of two main parts - the stock and the blade. The blade is made from hardened and tempered steel which makes is resistant to damage. The stock is usually made from rosewood although cheaper versions can be made from plastic or cheap woods. A brass face is added to the stock to ensure a straight edge. A typical use of a woodworkers try-square can be seen opposite. The try-square is pushed against the straight edge of a piece of wood and a marking knife is then used to mark a straight line across the material. The line is continued all the way round the wood (all four sides are marked).
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The Tipping Point Gladwell describes the bystander effect, and explains how Dunbar's number plays into the tipping point, using Rebecca Wells ' novel Divine Secrets of the Ya-Ya Sisterhood, evangelist John Wesley, and the high-tech firm W. L. Gore and Associates.
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Who Made That Built-In Eraser? In 1858, a stationer named Hymen Lipman patented a newfangled pencil with a rubber plug embedded in one end of its wood shaft. An entrepreneur named Joseph Reckendorfer guessed that the pencil-plus-eraser would become a blockbuster product and bought the patent from Lipman for $100,000, about $2 million in today’s dollars.
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- The Sand-Reckoner of Archimedes, tr. by Thomas L. Heath, [1897], at sacred-texts.com. Scanned, Proofed, and Formatted by John Bruno Hare at sacred-texts.com. This text is in the public domain in the United States because it was published prior to 1923.