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- The preparation of a usable scale on a
- measuring instrument. A mercury thermometer,
- for example, can be calibrated with a Celsius
- scale by noting the heights of the mercury
- column at two standard temperatures - the
- freezing point (0 degrees C) and boiling
- point (100 degrees C) of water - and dividing
- the distance between them into 100 equal
- parts and continuing these divisions above
- and below.
-