| Answer | Crossword Clue |
|---|---|
| clinometer | an instrument for measuring the incline (slope) of a surface |
| clinometers | CLINOMETER, an instrument for measuring the incline (slope) of a surface |
| turbidimeters | An instrument for measuring the turbidity of a liquid suspension, usually as a means of determining the surface area of the suspended particles |
| turbidimeter | An instrument for measuring the turbidity of a liquid suspension, usually as a means of determining the surface area of the suspended particles |
| pyrgeometer | an instrument for measuring the loss of heat by radiation from the earth's surface |
| pyrgeometers | PYRGEOMETER, an instrument for measuring the loss of heat by radiation from the earth's surface |
