On the ultraviolet spark spectra of some of the elements.
Subtitle: The purification of helium.  An investigation of extreme ultraviolet spectrum with vacuum-grating spectrograph.  High frequency vibrations and elastic modulus of metal bars.  References in "Helium, its production and uses" to Calgary work.
Published: 1900
Place of publication: [n.p
Language: eng
Subjects: Helium; Spectrum analysis