Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Lockseed
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Nick_Aldis
|
| gptkbp:controls |
Signalman
|
| gptkbp:designed_by |
Arthur Aldis
|
| gptkbp:first_introduced |
gptkb:19th_century
|
| https://www.w3.org/2000/01/rdf-schema#label |
The Aldis Lock
|
| gptkbp:is_often_used_in |
Train stations
|
| gptkbp:is_part_of |
Signal control systems
|
| gptkbp:is_related_to |
Semaphore signals
|
| gptkbp:operated_by |
Light signals
|
| gptkbp:provides |
Visual indication
|
| gptkbp:used_in |
Railway signaling
|