METHANOMETER
Source: 567
Meth′a‐nom″e‐ter (?), n. [[Methane + -meter.]] An instrument, resembling a eudiometer, to detect the presence and amount of methane, as in coal mines.
Source: 567
Meth′a‐nom″e‐ter (?), n. [[Methane + -meter.]] An instrument, resembling a eudiometer, to detect the presence and amount of methane, as in coal mines.