Jacob Perkins (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Jacob Perkins" in English language version.

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27^th place

51^st place

low place

3,464^th place

2,377^th place

2,973^rd place

2,148^th place

3,505^th place

2,915^th place

low place

amacad.org

"Book of Members, 1780–2010: Chapter P" (PDF). American Academy of Arts and Sciences. Retrieved August 7, 2014.

"List of Scottish Patents granted in Scotland from 18th March to 16th June 1836". The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts. XXI (April–October). Edinburgh: Adam & Charles Black: 188. 1836. Retrieved January 23, 2011.
"Specification of the Patent granted to Jacob Perkins for improvements in the Apparatus and Means for producing Ice and in cooling Fluids". The Repertory of Patent Inventions and Other Discoveries and Improvements in Arts, Manufacture and Agriculture. New Series VII (January–June). London: J. S. Hodson: 13. 1837. Retrieved January 23, 2011.
The Repertory of patent inventions [formerly The Repertory of arts ... - Google Books. 1837. Retrieved January 10, 2013.

"Jacob and Loftus Perkins". Steamindex.com. Jacob Perkins. Retrieved January 10, 2013.

""Perkins D cylinder Printing Press", Victorian Web.". Victorianweb.org. January 15, 2006. Retrieved January 10, 2013.

Chisholm, Hugh, ed. (1911). "Perkins, Jacob" . Encyclopædia Britannica. Vol. 21 (11th ed.). Cambridge University Press. p. 173.