The city of Troy, New York used the lamps beginning in 1872 to replace older models when they wore out.
It used them to replace older models when they wore out. The city of Troy, New York, used the lamps beginning in 1872.
The city of Troy, New York, used the lamps beginning in 1872. It used them to replace older models when they wore out.
The city of Troy, New York, used the lamps beginning in 1872. It used them to replace older models when they wore out.