Answer | Crossword Clue |
---|---|
hypsometers | HYPSOMETER, an instrument for measuring height of trees through triangulation |
hypsometer | an instrument for measuring height of trees through triangulation |
ceilometer | an instrument for measuring height of cloud ceiling above earth |
ceilometers | CEILOMETER, an instrument for measuring height of cloud ceiling above earth |
dendrometer | an instrument for measuring trees |
dendrometers | DENDROMETER, an instrument for measuring trees |