Railway operating and signalling techniques in Europe, Japan and the United States of America : report.

Railway operating and signalling techniques in Europe, Japan and the United States of America : report.

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Awdur Corfforaethol: Expert Working Group from Asia and the Far East on Railway Operating and Signalling
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: [New York?] : United Nations, 1954.
Pynciau:
Railroads > Trains.
Railroads > Signaling.
Railroads > Communication systems.
Disgrifiad
Disgrifiad o'r Eitem:"United Nations publication. Sales no.: 1953.VIII.3."
Disgrifiad Corfforoll:iv, 109 p. : ill., map. ; 28 cm.
Llyfryddiaeth:Bibliography: p. 108-109.

Eitemau Tebyg