Clue | Length | Answer |
---|---|---|
instruments showing mercurial fluctuations | 12 letters | thermometers |
they indicate mercurial changes | 12 letters | thermometers |
temperature measuring devices | 12 letters | thermometers |
mercurial recorders | 12 letters | thermometers |
they show quicksilver movement | 12 letters | thermometers |
They rise or fall to some degree | 12 letters | thermometers |