Web Results

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.

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 ...

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

A Brief History of the Mechanical Pencil. The very first pencils were in some ways closer to mechanical pencils than to what we think of now as 'ordinary' ...

History of Mechanical Pencils - Jonathan Veley

www.jonathanveley.com/component/content/article?id=300

The concept of the pencil really hasn't changed since the first time early humans dragged the charred end of a stick across a cave wall and found that bits of ...

Pencils - Early Office Museum

www.officemuseum.com/pencil_history.htm

History of the Lead Pencil. Lead pencils, of course, contain .... Round lead was used in mechanical pencils by the early 19<sup>th</sup> century. The illustration to the right ...

Autopoint Mechanical Pencil | National Museum of American History

americanhistory.si.edu/collections/search/object/nmah_1213838

Autopoint began manufacturing mechanical pencils in Chicago in 1918. Inventors assigned at least 30 patents to Autopoint between 1918 and 1929. One of the ...

The History of the Mechanical Pencil | eHow

www.ehow.com/about_5035439_history-mechanical-pencil.html

The History of the Mechanical Pencil. While mechanical pencils can often be taken for granted, their invention and development spans decades. Also known as ...

Answer
The History of the Mechanical Pencil
While mechanical pencils can often be taken for granted, their invention and development spans decades. Also known as click pencils, automatic pencils, propelling pencils and technical pencils, today's mechanical pencils generally include an eraser,... More »
Difficulty: Easy
Source: www.ehow.com
More Info

History of Mechanical PencilsInvention and Inventor

www.historyofpencils.com

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

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

www.historyofinformation.com

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

Origins of the Mechanical Pencil – Bleistift

bleistift.memm.de

Aug 16, 2013 ... Today: a guest blog post by Alice Jenkins about the origins of the mechanical pencil. You might have already seen some of her guest blog ...