To guard against mishaps and to ensure safer running and less waste of time in foggy weather, device has been fitted to several of latest type of trolley omnibus used at Bradford; device depends for its action on angular movement of trolley boom as omnibus moves laterally to or from normal position.
Trolley omnibus deviation indicator
Tramway Ry. World
Tramway and Railway World ; 64 , n 8
1928
2 pages
3 Figs.
Article (Journal)
English
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Engineering Index Backfile | 1921
Engineering Index Backfile | 1903
Engineering Index Backfile | 1930
|Bradford trolley omnibus system
Engineering Index Backfile | 1929
Bradford trolley omnibus system
Engineering Index Backfile | 1929