Pencil sharpener (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pencil sharpener" in English language version.

refsWebsite

Global rank English rank

9books.google.com

3^rd place

3^rd place

5officemuseum.com

low place

low place

3web.archive.org

1^st place

1^st place

1patent-infos.de

low place

low place

1worthpoint.com

low place

6,794^th place

1discovermagazine.com

3,042^nd place

2,171^st place

2,722^nd place

1,697^th place

1antikeychop.com

low place

low place

abc7.com

"New home for Ohio man's pencil sharpener 'museum'". ABC7 Los Angeles.

antikeychop.com

"The Antikey Chop". Boston Polar Club Pencil Sharpener. Retrieved 28 August 2019.

books.google.com

Gerry Coughlan; Martin Hughes (2007). Irish Language and Culture. Lonely Planet. p. 74. ISBN 978-1-74059-577-3.
Recueil de la Société polytechnique: ou Recueil industriel, manufacturier, agricole et commercial, de la salubrité publique, ... (in French). Société polytechnique. 1822. pp. 290–295.
Hülsse, Julius A. (1841). Allgemeine Maschinen-Encyclopädie: A – Beu (in German). Voss. p. 247.
Du Commerce, France min (1835). Description des machines et procédés spécifiés dans les brevets d'invention, publ. par C.P. Molard. [With] Table générale des vingt premiers volumes... (in French). pp. 583, 81–83.
Repertory of patent inventions and other discoveries and improvements in arts, manufactures and agriculture. Macintosh. 1833. pp. 318–319.
The Mechanics' Magazine, Museum, Register, Journal & Gazette. Knight and Lacey. 1837. p. 185.
Bulletin de la Société d'encouragement pour l'industrie nationale (in French). Société d'encouragement pour l'industrie nationale. 1834. pp. 406–407.
Description des machines et procédés pour lesquels des brevets d'invention ont été pris sous le régime ... (in French). L'Imprimerie Nationale. 1852. p. 260. ISBN 9781010644743.
Neueste Nachrichten aus dem Gebiete der Politik: 1858 (in German). Wolf. 1858. p. 2623.

discovermagazine.com

"20 Things You Didn't Know About... Pencils", Discover magazine, May 2007, retrieved 30 April 2009

officemuseum.com

"Handheld Pencil Sharpeners". Archived from the original on 18 July 2011. Retrieved 9 July 2011.
"Mechanical Pencil Sharpeners ~ 1900–1909". officemuseum.com. Retrieved 3 March 2019.
"Mechanical Pencil Sharpeners ~ 1910–1919". officemuseum.com. Retrieved 3 March 2019.
"Electric Pencil Sharpeners". Retrieved 9 July 2011.
"Pencil Sharpeners". Retrieved 9 July 2011.

patent-infos.de

Grahl, André. "History of pencil sharpeners and pointers −1850 Lassimone, Cooper/Eckstein, Lahausse". patent-infos.de. Archived from the original on 13 November 2019. Retrieved 1 March 2019.

web.archive.org

Grahl, André. "History of pencil sharpeners and pointers −1850 Lassimone, Cooper/Eckstein, Lahausse". patent-infos.de. Archived from the original on 13 November 2019. Retrieved 1 March 2019.
"RARE ANTIQUE EARLY PATENT PENCIL SHARPENER 1830s – COOPER & ECKSTEIN STYLOXYNON". Worthpoint. Archived from the original on 2 March 2019. Retrieved 1 March 2019.
"Handheld Pencil Sharpeners". Archived from the original on 18 July 2011. Retrieved 9 July 2011.

worthpoint.com

"RARE ANTIQUE EARLY PATENT PENCIL SHARPENER 1830s – COOPER & ECKSTEIN STYLOXYNON". Worthpoint. Archived from the original on 2 March 2019. Retrieved 1 March 2019.