BS 7139:1989

National foreword
Committees responsible
Introduction
1 Scope and object
2 General
Section one - General symbols
3 Alphabetical index
4 Numerical index
5 Compilation
Section two - Symbols to identify the classification
                of equipment
6 Alphabetical index
7 Numerical index
8 Compilation
Section three - Safety symbols
9 Alphabetical index
10 Numerical index
11 Compilation
Section four - Specialized symbols for ionizing
                radiation equipment
12 Alphabetical index
13 Numerical index
14 Compilation
Section five - Specialized symbols for display,
                communication and recording
15 Alphabetical index
16 Numerical index
17 Compilation
National appendices
A Correspondence with the graphical symbols that have
    been selected from BS 6217 (IEC 417)
B Correspondence with the graphical symbols that have
    been selected from ISO 7000

A list of symbols, with their meanings, which has been derived from various sources including BS 6217. The 5 sections present general sysmbols, safety symbols and symbols for specific groups of equipment.