Lumen nei

Lumen nei est tuba luminosa neon aut interdum alia gasia nobilia continens, per electricitatem lucem edens. 

Duo luminum nei genera sunt: globus et signa. Haec signa, forma tubularia longa, frequenter insignia commercii extra apothecas, supermercatus, et officinas adhibentur.

Notae

Bibliographia
  Dummer, G. W. A. (2013-10-22). Electronic Inventions and Discoveries: Electronics from Its Earliest Beginnings to the Present Day. Elsevier. p. 59. ISBN 978-1-4831-4521-1.
 Hirsh, Merle (2012-12-02). Gaseous Electronics. Elsevier. p. 3. ISBN 978-0-323-14095-9.

Nexus externi
 Marcus Thielen, Happy Birthday Neon!, in: Signs of the Times, Augusto 2005
 Light, zoom, lumière

Categoria:Gasia nobilia
Categoria:Lumina