Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
rail profile
|
| gptkbp:alsoKnownAs |
gptkb:Vignoles_rail
|
| gptkbp:alternativeTo |
gptkb:bullhead_rail
|
| gptkbp:feature |
flat base
|
| https://www.w3.org/2000/01/rdf-schema#label |
flat-bottomed rail
|
| gptkbp:introducedIn |
1836
|
| gptkbp:inventedBy |
gptkb:Charles_Vignoles
|
| gptkbp:material |
gptkb:steel
|
| gptkbp:usedIn |
gptkb:railway_line
modern railways |
| gptkbp:bfsParent |
gptkb:Barlow_rail
|
| gptkbp:bfsLayer |
7
|