Patents for inventions. (Period 1916-20 A.D., Class 118 (ii))
Signals including marine signals
Abridgments Specifications
1925
200 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Signals (including marine signals)
Engineering Index Backfile | 1928
Safety at sea through marine signals
Engineering Index Backfile | 1955
|RAILROAD COLOR LIGHT SIGNALS INCLUDING WIND REDUCTION ELEMENTS
Europäisches Patentamt | 2022
|Signals - UK's 'narrow' merchant marine . Maritime version of Rooivalk
Online Contents | 1998
FOCUS SIGNALS - Mixed Signals - Intelligent use of LED signals
Online Contents | 2002