Planimeter - Wikipedia
A planimeter, also known as a platometer, is a measuring instrument used to determine the area of an arbitrary two-dimensional shape.
About Mechanical and Electrical Planimeters to Measure Area
Mechanical planimeters are the most popular types since they are economical and offer good overall accuracy and range for most applications involving medium sized areas. The …
The Planimeter and the Theorem of Green - Harvard University
2000年12月9日 · The polar planimeter is a mechanical device for measuring areas of regions in the plane which are bounded by smooth boundaries. The measurement is based directly on …
Amazon.com: Planimeter
Planimeter Sliding Roller Drum Type high-Grade Drafting & Surveying Instrument Tool 28"" 710 mm with Protective Box, As Shown In Image, AEW-026 $89.99 $ 89 . 99 Buy 3, save 5%
How Planimeters Work - Wabash College
2009年5月26日 · When a planimeter is used to measure a region, the user moves the right endpoint of the rod, the tracing point, around the boundary of the region to be measured. …
Lasico Digital Planimeters, Mechanical Planimeters, Area …
Planimeters are available with mechanical or electronic measuring mechanisms. If you want to measure area, then a planimeter is the perfect tool for the job. Lasico Planimeters are used for …
Buyers Guide To Planimeters Learning Center Tiger Supplies
2019年9月10日 · Mechanical planimeters are manual devices that usually consist of a base, tracer arm, pole arm, and a tracer lens. How it works is you anchor the base to a spot in your …
the 19th century, practical mechanical tools, called planimeters, were patented for determin- ing the area of planar regions. There is an extensive literature devoted to the mathematics
Polar and Linear Planimeters - Wabash College
2004年1月2日 · These planimeters are used by moving the tracer point around the boundary of the region being measured. As the tracer point moves the wheel partially rolls and partially …
Planimeters - Wabash College
2007年8月24日 · A planimeter is a mechanical instrument used to compute the area of a planar region. Here are some examples. How polar and linear planimeters are used. How planimeters …
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