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Encyclopedia > Measuring instruments
 and Professor Aronnax contemplating measuring instruments in
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Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea

In physics and engineering, measurement is the activity of comparing physical quantities of real-world objects and events. Established standard objects and events are used as units, and the measurement results in a given number for the relationship between the item under study and the referenced unit of measurement. Measuring instruments are the means by which this translation is made.


Physicists use a vast range of instruments to perform their measurements. These range from simple objects such as rulers and stopwatches to electron microscopes and particle accelerators.

History of Weights and Measures
Timeline of time measurement technology
Timeline of temperature and pressure measurement technology

  Results from FactBites:
 
Instrument for measuring breast shape - Patent 5485855 (8744 words)
In the instrument for measuring breast shape configured above, it is preferable that a slit, to which the other free end of the horizontal tape measure is to be put, is provided on the base member at a position in the vicinity of the other highest position of the substantially half-circular edge part.
In the instrument for measuring breast shape described above, it is preferable that a slit, to which the other free end of the horizontal tape measure is to be put, is provided on the base member at a position in the vicinity of the other highest position of the substantially half-circular edge part.
The vertical tape measure 54 is to be used for measuring the vertical length of the breast between the nipple and the lowest position of the verg's line of the breast (hereinafter abbreviated as "vertical length of the breast").
Measuring Instrument (352 words)
Measuring instrument is an instrument that measures and shows the limit, or extent, or amount, or quantity, or degree of something.
There are various types of instruments used for measurement, ranging from simple objects such as rulers and stopwatches to electron microscopes and particle accelerators.
For measuring temperature various instruments used are thermometer, thermocouple, thermistor and pyrometer, etc while hygrometer is used for measuring humidity.
  More results at FactBites »


 

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