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30 relations: Charles Rood Keeran, Conrad Gessner, Crayola, Eversharp, Friction, Graphite, Henry Petroski, HMS Pandora (1779), Japan, John Isaac Hawkins, Koh-i-Noor Hardtmuth, Lead, Osaka, Pencil, Pencil sharpener, Pentel, Pilot (pen company), Ratchet (device), Sampson Mordan, Screw, Sharp Corporation, Spring (device), Technical drawing, Technical drawing tool, Tokuji Hayakawa, Tokyo, Uni-ball, United Kingdom of Great Britain and Ireland, World War II, Yard-O-Led.
Charles Rood Keeran
Charles Rood Keeran (April 16, 1883 - June 9, 1948) was an Illinois inventor and businessman.
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Conrad Gessner
Conrad Gessner (Conradus Gesnerus; Conrad Geßner or Cůnrat Geßner; 26 March 1516 – 13 December 1565) was a Swiss physician, naturalist, bibliographer, and philologist.
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Crayola
Crayola LLC, formerly Binney & Smith, is an American handicraft company, specializing in artists' supplies.
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Eversharp
Eversharp was a pioneer maker of mechanical pencils.
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Friction
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
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Graphite
Graphite, archaically referred to as plumbago, is a crystalline allotrope of carbon, a semimetal, a native element mineral, and a form of coal.
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Henry Petroski
Henry Petroski (February 6, 1942) is an American engineer specializing in failure analysis.
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HMS Pandora (1779)
HMS Pandora was a 24-gun ''Porcupine''-class sixth-rate post ship of the Royal Navy launched in May 1779.
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Japan
Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.
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John Isaac Hawkins
John Isaac Hawkins (1772–1855) was an inventor who practised civil engineering.
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Koh-i-Noor Hardtmuth
Koh-i-Noor Hardtmuth a.s. is a Czech manufacturer and one of the world's largest producers and distributors of art supplies, writing equipment and stationery.
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Lead
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.
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Osaka
() is a designated city in the Kansai region of Japan.
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Pencil
A pencil is a writing implement or art medium constructed of a narrow, solid pigment core inside a protective casing which prevents the core from being broken and/or from leaving marks on the user’s hand during use.
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Pencil sharpener
A pencil sharpener (also referred to in Ireland as a parer or topper) is a device for sharpening a pencil's writing point by shaving away its worn surface.
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Pentel
is a privately held Japanese company which produces stationery products.
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Pilot (pen company)
is a Japanese pen manufacturer based in Tokyo, Japan.
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Ratchet (device)
A ratchet is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction.
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Sampson Mordan
Sampson Mordan (1790 – 9 April 1843) was a British silversmith and a co-inventor of the first patented mechanical pencil.
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Screw
A screw is a type of fastener, in some ways similar to a bolt (see Differentiation between bolt and screw below), typically made of metal, and characterized by a helical ridge, known as a male thread (external thread).
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Sharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products, headquartered in Sakai-ku, Sakai.
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Spring (device)
A spring is an elastic object that stores mechanical energy.
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Technical drawing
Technical drawing, drafting or drawing, is the act and discipline of composing drawings that visually communicate how something functions or is constructed.
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Technical drawing tool
Technical drawing tools include and are not limited to: pens, rulers, compasses, protractors and drawing utilities.
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Tokuji Hayakawa
was a Japanese businessman and the founder of Hayakawa Kinzoku Kōgyō (the present-day Sharp Corporation).
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Tokyo
, officially, is one of the 47 prefectures of Japan and has been the capital since 1869.
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Uni-ball
Uni-ball and Uni are brands of pens and pencils, made by the of Japan.
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United Kingdom of Great Britain and Ireland
The United Kingdom of Great Britain and Ireland was established by the Acts of Union 1800, which merged the kingdoms of Great Britain and Ireland.
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World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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Yard-O-Led
The Yard-O-Led Pencil Company was founded in London, England in 1934 by a Mr Brenner to produce his patent propelling pencils which contained twelve three inch leads (that is to say, 36 inches or a yard of lead).
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Automatic pencil, Automatic pencils, Clicky pencil, Clutch pencil, Lead holder, Leadholder, Mechanical Pencil, Mechanical pencils, Propelling pencil, Technical pencil.
References
[1] https://en.wikipedia.org/wiki/Mechanical_pencil
