'Plucker tube' definitions:

Definition of 'Plucker tube'

From: GCIDE

Plucker tube \Pl["u]ck"er tube\ [So named after Julius Pl["u]cker, a German physicist.] (Physics) (a) A vacuum tube, used in spectrum analysis, in which the part through which the discharge takes place is a capillary tube, thus producing intense incandescence of the contained gases. (b) Crookes tube. [Webster 1913 Suppl.]

Definition of 'Plucker tube'

From: GCIDE

Geissler tube \Geis"sler tube`\ (Elec.) A glass tube provided with platinum electrodes, and containing some gas under very low tension, which becomes luminous when an electrical discharge is passed through it; -- so called from the name of a noted maker in germany. It is called also {Pl["u]cker tube}, from the German physicist who devised it. [1913 Webster]

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