Description | /1 Manuscript letter from A. M. Tyndall [Arthur Mannering Tyndall, physicist, 1881-1961] to Oliver Lodge, written from the University of Bristol Physics Department, 5 November 1923. Tyndall responds to an enquiry by Lodge about the 'Hall effect' in bismuth, and its relationship to Kelvin's 'Thomson effect'.
/2 Copy of typescript letter from Oliver Lodge to A. M. Tyndall, 6 November 1923. Lodge thanks Tyndall for the information he supplied about bismuth and the Hall and Thomson effects, explaining he had not remembered, saying 'That is the worst of getting old'. |