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Mechanical pencil - Wikipedia

en.wikipedia.org/wiki/Mechanical_pencil

The earliest extant example of a mechanical pencil was found aboard the ... The first patent for a refillable pencil with lead-propelling ...

A Brief History of the Mechanical Pencil - Pencils.com

pencils.com/brief-history-mechanical-pencil/

Nov 18, 2014 ... Did you know the mechanical pencil has actually existed in one form or another for the better part of five centuries? Learn more.

History of Mechanical PencilsInvention and Inventor

www.historyofpencils.com/writing-instruments-history/history-of-mechanical-pencils/

Mechanical pencils are also old invention dating even from 16th century. First ones were fairly simple mechanisms, only to become more complex with time.

Who invented the mechanical pencil? | Reference.com

www.reference.com/history/invented-mechanical-pencil-c623087f623c5684

The original inventor of the mechanical pencil is up for debate. There are documented references to a lead-holding pencil as early as 1565, and the earliest ...

Invention of the Mechanical Pencil (December 20, 1822 ...

www.historyofinformation.com/expanded.php?id=3851

Though earlier examples of mechanical pencils Offsite Link have survived, in 1822 English engineer and inventor John Isaac Hawkins Offsite Link and English  ...

What is the history of Mechanical Pencil?

www.innovateus.net/innopedia/what-history-mechanical-pencil

Mechanical pencils have more elaborate casings that support mobile pieces of pigment core, which can be extended or retracted through the casing tip as ...

1915-1919 : Invention of Ever-Sharp Pencil | Sharp Corporation ...

www.sharp-world.com/corporate/info/his/h_company/1915_1919/

The mechanical pencil is well known today throughout the world, largely thanks to Sharp's founder Tokuji Hayakawa. By developing an original lead-thrusting ...

Guide To Mechanical Pencils | Pencyclopedia | Cult Pens

www.cultpens.com/pencyclopedia/guide-to-mechanical-pencils

History of Mechanical Pencils. The first pencils were more like modern clutch pencils than what we now think of as 'normal' wooden pencils. Graphite was first  ...

Origins of the Mechanical Pencil - Bleistift

bleistift.memm.de/2013/08/origins-of-the-mechanical-pencil/

Aug 16, 2013 ... The mechanical pencil is a seemingly simple utensil whose invention and development actually took decades. Being an ever-sharp pencil it ...

Who invented the mechanical pencil? - Quora

www.quora.com/Who-invented-the-mechanical-pencil

Joey's answer is partially correct. The first patent for the mechanical pencil was granted in 1822 to the silversmith Sampson Mordan and engineer John Isaac ...