The photograph is in postcard format. J.A.D. McCurdy's "Address given at the 19th Annual Meeting or The Telephone Association of Canada on July 1st, 1948" mentions Glenn H. Curtiss was a member of Alexander Graham Bell's Aerial Experiment Association. Hon. McCurdy described Curtiss as, "a motor cycle manufacturer who probably had at that time the greatest knowledge relating to light gasoline engines." [Maritime Telegraph & Telephone & Associate Companies' Employees, The Monthly Bulletin, July 1948, p. 128]
Date: 28 March 1911
Reference: J.A.D. McCurdy Nova Scotia Archives 2007-058 vol. 003 no. 14
Nova Scotia Archives — https://archives.novascotia.ca/mccurdy/archives/
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