1. For example, Bone and Townend, "Flame and Combustion in Gases", (Longmans, Green and Co. (1927), p. 207)
2. and Gaydon, "Spectroscopy and Combustion Theory" (Chapman and Hall, 1942), p. 93.
3. David and Parkinson, Phil. Mag., 15, 177 (1933), and unpublished experiments.
4. Hottel and Egbert, Trans. A.S.M.E., 63, 297.
5. Trans. Inst. Gas Eng., 466 (1932–33).