What is another word for "eudiometer"?

Roget's Thesaurus (1911) lists these synonyms for "eudiometer": aerial, aeriform, aerography, aerology, aerometer, aerometry, aeronaut, aeronautics, aeroscope, aeroscopy, aerosphere, aerostation, agree, air, airy, and, aneroid, assimilate, atmosphere, atmospheric, barometer, baroscope, belle, benign, blue, bracing, climate, climatology, cloud, cock, common, effervescent, etoile, exposure, fall, fan, fine, flatulent, for, fresco.