Mechanical pencil (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Mechanical pencil" in English language version.

refsWebsite

Global rank English rank

3web.archive.org

1^st place

1^st place

2leadholder.com

low place

low place

2sharp-world.com

low place

low place

1ldoceonline.com

low place

8,123^rd place

1markhillcollects.blogspot.com

low place

low place

800^th place

676^th place

1vintagepens.com

low place

low place

low place

low place

1pencilsandotherthings.wordpress.com

low place

low place

low place

low place

low place

low place

1,902^nd place

4,585^th place

1britannica.com

40^th place

58^th place

low place

low place

low place

low place

1penciltalk.org

low place

low place

britannica.com

"Pencil | Graphite, Wood & Lead | Britannica". www.britannica.com. 4 July 2023. Retrieved 28 July 2023.

cowans.org

"Making Sense of Pencil Leads". Cowan Office Supplies. Retrieved 29 July 2023.

espacenet.com

worldwide.espacenet.com

US 1130741 "C. B. Keeran, Lead Pencil, Application Filed Oct.10, 1913."

fc2.com

chair.blog4.fc2.com

"Tombow's "0.6 mm" mechanical pencil".

ldoceonline.com

"Longman Dictionary". Longman/Pearson. Retrieved 13 May 2022.

leadholder.com

"History of Leadholders". Leadholders.com. 4 January 2008. Archived from the original on 24 August 2007. Retrieved 27 February 2008.
"Pentel 350 Series Mechanical Pencil | Leadholder". Leadholder.com. Archived from the original on 26 June 2011. Retrieved 14 November 2010.

markhillcollects.blogspot.com

"Sampson Mordan Pencils". Mark Hill Collects: The 20th Century Design and Collectibles Blog. 30 April 2009. Retrieved 12 December 2009.

mpuni.co.jp

Kurutoga Website Kuru Toga, which in Japanese, means "spinning to a taper". Archived 19 September 2009 at the Wayback Machine

nichima.co.jp

"ニュース - 文マガ". www.nichima.co.jp. Retrieved 7 May 2017.

pencilsandotherthings.wordpress.com

Sola (15 December 2014). "Pentel Black Polymer 999". pencils and other things. Retrieved 1 August 2023.

penciltalk.org

Koh-I-Noor 2.0mm leadholders and colour leads. pencil talk. Retrieved on 14 October 2011.

pentel.co.jp

"製品開発ストーリーシャープ用替芯". ぺんてる株式会社 (in Japanese). Retrieved 1 August 2023.

sharp-world.com

"1915: Hayakawa Mechanical Pencil". Product Story. SHARP Corporate. Retrieved 8 August 2015.
"1915-1919 : Invention of Ever-Sharp Pencil". SHARP Corporate. Retrieved 30 March 2009.

unsharpen.com

"The Right Pencil Lead Grade and Hardness For Every Scenario | Unsharpen". unsharpen.com. Retrieved 31 July 2023.

vintagepens.com

Nishimura, David (Winter 2001). "A Tale of Two Pencils: Keeran's Eversharp & Hayakawa's Ever-Ready Sharp". The PENnant. Pen Collectors of America.

web.archive.org

"History of Leadholders". Leadholders.com. 4 January 2008. Archived from the original on 24 August 2007. Retrieved 27 February 2008.
Kurutoga Website Kuru Toga, which in Japanese, means "spinning to a taper". Archived 19 September 2009 at the Wayback Machine
"Pentel 350 Series Mechanical Pencil | Leadholder". Leadholder.com. Archived from the original on 26 June 2011. Retrieved 14 November 2010.