Hartree: John Penn and Sons of Greenwich
The mariner's mirror ; 95 , 2 ; 224
2009
Aufsatz (Zeitschrift)
Unbekannt
John Penn & Sons, Marine Engineers of Greenwich
British Library Conference Proceedings | 2007
|A General Description of Trunk Engines as Designed and Built by John Penn and Sons
British Library Conference Proceedings | 1988
|Engineering Index Backfile | 1928
|SLUB | 2000
SIR JOHN KEMPTHORNE and HIS SONS
Taylor & Francis Verlag | 1926
|