| January 1911, No. 155 | The Railway and Marine World (Toronto) | Page 35, col. 2 |
G.T.R. betterments, construction, etc.
...
Ottawa station chimney.—A special system of lightning protection is being installed at the new station in Ottawa. The cable is of pure copper braided 28 strand wires, with a capacity of about 220-900 cm. cross section and 1/2 in. in diameter, made of seven strands. Large arrow points are to be placed equidistant apart on the conductor encircling the top of the chimney and extending 3 ft. about it. Each point is of specially prepared copper, gold plated, hand burnished, with pores filled. At the terminal of each down lead, two large ground reservoirs are to be set. All fasteners are of 94% pure copper and all connections are interwoven or braided in splices. M. M. Campbell C.E., is the inspector.
Railways: G.T.Ry.
Stations: Ottawa