Publication | Date | Page | Title |
---|---|---|---|
The Railway and Shipping World | 1903-05-01 | 177 | G.T.R. betterments, construction, etc. |
Canadian Railway and Marine World | 1920-09-01 | 490 | Grand Trunk Railway construction, betterments, etc. |
Railway Age | 1934-07-07 | 13 | Automatic interlocking protects crossing of two main lines|Replacing mechanical with automatic plants reduces delays and saves 30 per cent on investment. |