Range of signals situated in tunnels; color values of lights; etc. Indexed in Engineering Index 1938 p 999, from Revue Generale des Chemins de Fer Dec 1937.
Use of luminescent tubes to supplement signals in tunnels
Int Ry Congress Assn -- Bul
1938
5 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Use of luminescent tubes of mercury vapor as supplementary signals in railroad tunnels
Engineering Index Backfile | 1937
|Use of luminescent tubes of mercury vapor as supplementary signals in railroad tunnels
Engineering Index Backfile | 1937
|Use of luminescent tubes of mercury vapor as supplementary signals in railroad tunnels
Engineering Index Backfile | 1937
|Tunnels and Tunnelling (Supplement)
Online Contents | 2008
TUNNELS AND TUNNELLING - Supplement on tunnels for water resources development
Online Contents | 2006