McCallum, 1897, Navigation of the Air
From Inventing aviation
- Alexander McCallum. The Navigation of the Air. London: king, Sell, and Railton, 1897.
Apparently not an easy book to find. Mentioned in Aeronautical Journal, Vol. 1, No. 4, October 1897, p. 24. (His name is spelled "McCullum" in the next issue of the AJ, but searches under this spelling yield nothing.)
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