Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:birthYear |
1829
|
| gptkbp:deathYear |
1902
|
| gptkbp:father |
gptkb:Timothy_Hackworth
|
| gptkbp:nationality |
British
|
| gptkbp:notableFor |
gptkb:Hackworth_valve_gear
work on steam engines |
| gptkbp:occupation |
gptkb:engineer
gptkb:inventor |
| gptkbp:placeOfBirth |
gptkb:England
|
| gptkbp:bfsParent |
gptkb:Diamond_Age
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
John Percival Hackworth
|