1917.
- BNA HO 45/10548/162178, Report and Special Report from the Select Committee on the Daylight Saving Bill, August 24, 1909, 93, 124.
64 "The Electric Telegraph," The British Quarterly Review 59 (January and April 1874): 438–469, here 466; “Correct Time: Post Office Methods of Distribution," Times of London, October 15, 1912, 4; RGO 7/252, lettcr, Standard Time Company to Royal Astronomer, London, October 31, 1901; "The Greenwich Time Signal System," Nature, May 18, 1876, 50–52, and "The Greenwich Time Signal System: II," Nature, June 1, 1876, 110–113.
- RGO 7/252, letter, Royal Astronomer to Chief Astronomer, Department of the Interior, Canada, September 17, 1901.
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