| Name | Value |
|---|---|
| NAME | 6650-116800 |
| LIFE EXPECTANCY | 20 |
| BRIEF DESCRIPTION | CATHETOMETER |
| NOMENCLATURE | CATHETOMETER. AN INSTRUMENT OF ACCURATE MEASUREMENT OF DISTANCES OR OF THE SMALL DIFFERENCE OF DISTANCE OR HEIGHT SUCH AS THE UPPER SURFACE OF TWO COLUMNS OF MERCURY OR OTHER FLUIDS OR OF THE SAME COLUMN AT DIFFERENT TIMES. IT CONSISTS ESSENTIALLY OF A TELESCOPE, HORIZONTALLY MOUNTED ON A CARRIAGE, WHICH TRAVELS ON AN ACCURATE VERTICAL AND/OR HORIZONTAL GUIDE AND WITH AN ACCURATELY GRADUATED SCALE. |