Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
spy gadget
|
| gptkbp:feature |
hollow compartment
erasable ink |
| gptkbp:function |
concealed message writing
hiding microfilm |
| https://www.w3.org/2000/01/rdf-schema#label |
World War II spy pencil
|
| gptkbp:material |
graphite
wood |
| gptkbp:usedBy |
gptkb:Allied_spies
SOE agents |
| gptkbp:usedDuring |
gptkb:World_War_II
|
| gptkbp:bfsParent |
gptkb:Pencil_Museum
gptkb:Derwent_Pencil_Museum |
| gptkbp:bfsLayer |
7
|