British Standard list of graphical symbols suitable to needs of electrical industry based, as far as possible, upon symbols which have been internationally agreed; guiding principles to be observed in using symbols and in preparation of diagrams.
Graphical symbols for telecommunications
Brit Standards Instn -- Brit Standard
1948
100 pages
5 Supp sheets
Standard
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Graphical symbols for railroad use
Engineering Index Backfile | 1950
Graphical symbols for fire protection drawings
Engineering Index Backfile | 1950
Recommended Graphical Symbols for Circuit Appurtenance
British Library Conference Proceedings | 1995
|Recommended Graphical Symbols for Railroad Highway Grade Crossings
British Library Conference Proceedings | 1994
|Graphical symbols for use on railroad maps and profiles
Engineering Index Backfile | 1958