| Description | /1 Letter from R. Threlfall to Oliver Lodge, written from the Union Club, Sydney, dated 24 June 1886. Threlfall writes to Lodge about a mercury still.
/2 Letter from Dick Threlfall to Oliver Lodge, written from Brancliffe, Darling Point, Sydney, dated 7 November 1889. Threlfall praises Lodge's contribution to the lightening rod discussion at the Society of Telegraph Engineers. He writes about his research interests and plans for experiments. He writes that he has included Lodge's experiments in his lectures.
/3 Letter from R. Threlfall to Oliver Lodge, written from 259 Hagley Road, Edgbaston, Birmingham, dated 16 July 1900. Threlfall sends information about the special steel from G. P. Wall used in Elliott's Weston instrument. |