In a short note, Woledge notes that the actual technical term "British thermal unit" apparently originated in the United States, and was subsequently adopted in Great Britain. See Woledge, G. (30 May 1942). "History of the British Thermal Unit". Nature149 (149): 613. doi:10.1038/149613c0. Bibcode: 1942Natur.149..613W.
In a short note, Woledge notes that the actual technical term "British thermal unit" apparently originated in the United States, and was subsequently adopted in Great Britain. See Woledge, G. (30 May 1942). "History of the British Thermal Unit". Nature149 (149): 613. doi:10.1038/149613c0. Bibcode: 1942Natur.149..613W.