Thesaurus for Graphic Materials 1: Subject Terms
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Signals
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Communication devices
Signals
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Signals
Historical note
Changed 5/21/07. Formerly, SIGNALING may have been indexed under SIGNALS & SIGNALING.
Broader Terms
BT
↑
Communication devices
More specific terms
NT4
↓
Heliographs (Apparatus)
NT4
↓
Signal flags
NT4
↓
Signal lights
►
▼
NT5
↓
Railroad signals
Related terms
RT
⇆
Signal stations
RT
⇆
Signal towers
Date of creation
14-Ago-2007
Accepted term
14-Ago-2007
Descendant terms
3
ARK
ark:/99152/t3vx3go8ddlemp
More specific terms
3
Alternative terms
0
Related terms
2
Notes
1
Metadata
BS8723-5
DC
MADS
SKOS-Core
VDEX
XTM
Zthes
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