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- Opisometer abstract "An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines.A simple opisometer consists of a toothed wheel of known circumference on a handle. The wheel is placed in contact with the curved line to be measured and run along its length. By counting the number of teeth passing a mark on the handle while this is done, the length of the line can be ascertained:line length = wheel circumference × teeth counted/teeth on wheel.In more sophisticated models, sometimes called a chartometer, the wheel is connected via gearing to a rotary dial from which the line length can be directly read.The instrument is most commonly used to measure the lengths of roads, rivers and other line features on maps. Opisometers designed for this purpose provide scales reading the measured distance in kilometers and miles.Early versions of this instrument were patented in 1873 by the English engineer Edward Russell Morris. The instruments he produced were initially described as a Patent Chartometer although later versions were sold under the curious name of Wealemefna. Writing in 1881, Morris described how he had created a wholly original name in an attempt to outwit his imitators; he also refused to disclose the origin of the word.".
- Opisometer thumbnail Kurvimeter_1_fcm.jpg?width=300.
- Opisometer wikiPageID "622189".
- Opisometer wikiPageRevisionID "597318342".
- Opisometer hasPhotoCollection Opisometer.
- Opisometer subject Category:Cartography.
- Opisometer subject Category:Dimensional_instruments.
- Opisometer subject Category:Measuring_instruments.
- Opisometer subject Category:Navigational_equipment.
- Opisometer type Artifact100021939.
- Opisometer type Device103183080.
- Opisometer type DimensionalInstruments.
- Opisometer type Instrument103574816.
- Opisometer type Instrumentality103575240.
- Opisometer type Object100002684.
- Opisometer type PhysicalEntity100001930.
- Opisometer type Whole100003553.
- Opisometer comment "An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines.A simple opisometer consists of a toothed wheel of known circumference on a handle. The wheel is placed in contact with the curved line to be measured and run along its length.".
- Opisometer label "Curvimeter".
- Opisometer label "Curvimètre".
- Opisometer label "Curvímetro".
- Opisometer label "Krzywomierz".
- Opisometer label "Kurvimeter".
- Opisometer label "Opisometer".
- Opisometer label "Курвиметр".
- Opisometer label "キルビメータ".
- Opisometer sameAs Kurvimeter.
- Opisometer sameAs Curvimètre.
- Opisometer sameAs キルビメータ.
- Opisometer sameAs Curvimeter.
- Opisometer sameAs Krzywomierz.
- Opisometer sameAs Curvímetro.
- Opisometer sameAs m.02xmr9.
- Opisometer sameAs Q1794385.
- Opisometer sameAs Q1794385.
- Opisometer sameAs Opisometer.
- Opisometer wasDerivedFrom Opisometer?oldid=597318342.
- Opisometer depiction Kurvimeter_1_fcm.jpg.
- Opisometer isPrimaryTopicOf Opisometer.
