Post Office (London) tube railway; shield-driven tunnel; new railway; operation; control; stations; arrangements at Paddington station; rolling stock.
Mails by underground
Int Ry Congress -- Bul
1928
5 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1933
|Engineering Index Backfile | 1928
British Library Online Contents | 2008
IuD Bahn | 2003
|Compensation for carrying mails
Engineering Index Backfile | 1900
|