An elevated trolley is used to maintain the overhead power-lines for Christchurch's council-owned electric tram system. This 1905 photo also shows the power poles running down the centre of Colombo Street, with tram tracks on either side.
Te whakamahi i tēnei tūemi
Auckland City Libraries - Tāmaki Pātaka Kōrero, Sir George Grey Special Collections
Permission of Auckland City Libraries Tāmaki Pātaka Kōrero must be obtained before any re-use of this image.