n.1.An instrument for measuring columns.
References in periodicals archive ?
Also, the presence of these sources, their dimension as well as the need to get them supplied from network, turn the spectrometers of spectral analysis of emission into fixed laboratory instruments (Agresti, 2009), excepting stylometers which are portable spark-arc spectrometers, instruments that require however current supply from a relatively high electric source to produce the spark or electric arc.