Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Lift bridge with automatic electric span leveling control feature
Alignment control is feature of Chicago, Rock Island and Pacific's new double-track at Joliet, Ill; synchronous-tie control method automatically regulates movement of both ends of lift span, thereby preventing tie-ups caused by "binding".
Lift bridge with automatic electric span leveling control feature
Alignment control is feature of Chicago, Rock Island and Pacific's new double-track at Joliet, Ill; synchronous-tie control method automatically regulates movement of both ends of lift span, thereby preventing tie-ups caused by "binding".
Lift bridge with automatic electric span leveling control feature
Ry Elec Engr
1933
3 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1935
|Equipment for leveling large-span light truss bridge surface
Europäisches Patentamt | 2021
|