| Answer | Crossword Clue |
|---|---|
| inclinatorium | the dipping-needle, an instrument for determining magnetic dip |
| inclinatoria | INCLINATORIUM, the dipping-needle, an instrument for determining magnetic dip |
| penetrometer | An instrument for determining the consistency or hardness of a substance by measuring the depth or rate of penetration of a rod or needle driven into it by a known force |
| penetrometers | An instrument for determining the consistency or hardness of a substance by measuring the depth or rate of penetration of a rod or needle driven into it by a known force |
