Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:smartphone
|
| gptkbp:alsoKnownAs |
trammel of Archimedes
|
| gptkbp:component |
tracing arm
sliding rods fixed frame |
| gptkbp:inventedBy |
gptkb:Archimedes
|
| gptkbp:usedFor |
drawing ellipses
|
| gptkbp:usedIn |
gptkb:technical_drawing
engineering drafting |
| gptkbp:bfsParent |
gptkb:Trammel_of_Archimedes
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
ellipsograph
|