| Forty-third Meeting of the British Association for the Advancement of Science | |
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| , Houston TeacherTECH Archives , Retrieved 19-3-2017 | , The Physics Hypertextbook, Retrieved 4-4-2017 |
Thomson, Sir W; Professor GC, Foster; Maxwell, Professor JC; Stoney, Mr GJ; Professor Flemming, Jenkin; Siemens, Dr; Bramwell, Mr FJ September 1873.
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