Editing Planimeter (section)

==External links==
{{Wikisource1911Enc|Calculating Machines}}
* [http://whistleralley.com/planimeter/planimeter.htm P. Kunkel: Whistleralley site, ''The Planimeter'']
* [http://www.leinweb.com/snackbar/planimtr/ Larry's Planimeter Platter]
* [http://www.didaktik.mathematik.uni-wuerzburg.de/history/ausstell/planimet/ Wuerzburg Planimeter Page]
* [http://persweb.wabash.edu/facstaff/footer/Planimeter/PLANIMETER.HTM Robert Foote's planimeter page]
* [http://empublic.dcs.warwick.ac.uk/projects/planimeterCare2005/ Computer model of a planimeter]
* [[Tanya Leise]]'s [http://www.amherst.edu/~tleise/HomePage/planimeter.html planimeter explanations] and [http://www3.amherst.edu/~tleise/HomePage/LeisePlanimeter.pdf ''As the Planimeter’s Wheel Turns'']
* [https://web.archive.org/web/20120120201057/http://durealeyes.com/planimeter.html Make a simple planimeter]
* [https://www.flickr.com/photos/usnationalarchives/6789717264/ Photo: Geographers using planimeters (1940–1941)]
* [https://web.archive.org/web/20081229100701/http://www.math.duke.edu/education/ccp/materials/mvcalc/green/ O. Knill and D. Winter: ''Green's Theorem and the Planimeter'']

[[Category:Dimensional instruments]]
[[Category:Technical drawing tools]]
[[Category:Mathematical tools]]
[[Category:Measuring instruments]]
[[Category:Area]]