Ground-glass lens with five-watt lamp gives color-light signal indication at 4,000 ft.
A new development in chromatic light signals
Ry. Signaling
Railway Signaling ; 19 , n 3
1926
3 pages
4 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Light Touch: Chromatic dispersion
British Library Online Contents | 2006
|Polarised light in chromatic modulation systems
British Library Conference Proceedings | 1990
|Chromatic analysis of signals from a driver fatigue monitoring unit
Tema Archive | 2007
|British Library Online Contents | 1999
|Chromatic compensation of light diffraction: achromatic diffraction-based applications
British Library Conference Proceedings | 1999
|