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  2. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    Timeline of United States inventions (1890–1945) Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets.

  3. Slide rule - Wikipedia

    en.wikipedia.org/wiki/Slide_rule

    Slide rule. Typical ten-inch (25 cm) student slide rule (Pickett N902-T simplex trig) A slide rule is a hand -operated mechanical calculator consisting of slidable rulers for evaluating mathematical operations such as multiplication, division, exponents, roots, logarithms, and trigonometry.

  4. Paper-ruling machine - Wikipedia

    en.wikipedia.org/wiki/Paper-ruling_machine

    A paper-ruling machine is a device for ruling paper. In 1770, John Tetlow was awarded a patent for a "machine for ruling paper for music and other purposes." [1] William Orville Hickok invented an "improved ruling machine" in the mid-19th century. [2] As the device is designed for drawing lines on paper, it can produce tables and ruled paper .

  5. Stanley Hand Tools - Wikipedia

    en.wikipedia.org/wiki/Stanley_Hand_Tools

    Stanley is a well known brand of tools and has produced millions of hand planes, saws, rulers, try squares, chisels, screwdrivers, and many other types of tools for consumer and for industrial use. Their innovations include the Bailey plane, the Surform shaper, the PowerLock tape measure, the utility knife, and an unusual multitool known as the ...

  6. Anton Ullrich - Wikipedia

    en.wikipedia.org/wiki/Anton_Ullrich

    Anton Ullrich was born on the 30 August 1826 in the small village of Maikammer, Germany. He was the youngest son of an international merchant, Leonhard Ullrich, and his wife Regina Damm. Anton Ullrich worked in his father's store, before founding the "Gebrüder Ullrich" with his younger brother Franz Ullrich. In 1851 Anton Ullrich invented the ...

  7. Robert Gair - Wikipedia

    en.wikipedia.org/wiki/Robert_Gair

    Robert Gair. Robert Gair was a Scottish printer and paper bag maker who invented the folding carton in 1879. [1] Born in Edinburgh, Scotland in 1839, he emigrated to the United States at age 14. Gair invented the paperboard folding carton by accident when a metal ruler used to crease bags shifted position and cut the bag.

  8. William Oughtred - Wikipedia

    en.wikipedia.org/wiki/William_Oughtred

    William Oughtred (5 March 1574 – 30 June 1660), [1] also Owtred, Uhtred, etc., was an English mathematician and Anglican clergyman. [2] [3] [4] After John Napier discovered logarithms and Edmund Gunter created the logarithmic scales (lines, or rules) upon which slide rules are based, Oughtred was the first to use two such scales sliding by one another to perform direct multiplication and ...

  9. Henry Bessemer - Wikipedia

    en.wikipedia.org/wiki/Henry_Bessemer

    Bessemer was a prolific inventor and held at least 129 patents, spanning from 1838 to 1883. These included military ordnance, movable dies for embossed postage stamps, a screw extruder to extract sugar from sugar cane, and others in the fields of iron, steel and glass. These are described in some detail in his autobiography.

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