Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Communication System
|
| https://www.w3.org/2000/01/rdf-schema#label |
Semaphore Signals
|
| gptkbp:inventedBy |
19th Century
|
| gptkbp:method |
Positioning of Flags or Arms
|
| gptkbp:purpose |
Visual Communication
|
| gptkbp:relatedTo |
gptkb:Morse_Code
Optical Telegraph |
| gptkbp:replacedBy |
Electronic Signals
|
| gptkbp:usedBy |
Naval Personnel
Railway Operators Signalmen |
| gptkbp:usedIn |
gptkb:Maritime_Communication
Military Communication Railway Signaling |
| gptkbp:uses |
Flags
Arms Lights |
| gptkbp:bfsParent |
gptkb:Whole_Wide_World
|
| gptkbp:bfsLayer |
8
|