So far, the difficulty is not much relieved by trolley lines.
The circles a a a represent switches, by means of which the generators are connected or disconnected from the trolley lines.
The electric light plant was seriously threatened and trolley lines were tied up.
An almost equal amount is used for hewn cross-ties for railroads and trolley lines.
Without them no more railroad or trolley lines could be built, and the present systems could not be kept in repair.
In England the policy is still debated, much as is that of public ownership of trolley lines in America.
You heard the same talk about the trolley lines—about the whitening bones of the young innocents that had been killed by them.
There are a number of trolley lines in this section of Massachusetts, all centring in Pittsfield.
Avoiding the traffic streets and trolley lines, the big car was turned south through the suburban hills.
Railways and trolley lines have been built and many other works of public utility have been undertaken.