| Description | Correspondence with William Cramp [1876-1939, Professor of Electrical Engineering at the University of Birmingham].
/1 Letter from William Cramp to Oliver Lodge, written from the University, Edgbaston, Birmingham, dated 12 July 1926. Cramp sends information about Lodge's old equipment which is to be transfered from the University to the Science Museum.
/2 Copy of letter from Oliver Lodge to William Cramp, dated 13 July 1926. Lodge discusses the transfer of his old equipment to the Science Museum. He writes that he advised the BBC that a coil vibrating in an annular magnetic field is better than a microphone.
/3 Copy of letter from Oliver Lodge to William Cramp, dated 14 July 1926. Lodge writes about his work on coils in the late 1860s and early 1870s, stating that he was an 'absolute amateur' with no engineering training.
/4 Letter from William Cramp to Oliver Lodge, written from the University, Edgbaston, Birmingham, dated 20 September 1930. Cramp discusses the force between two coils carrying currents when immersed in different mediums and asks for Lodge's opinion.
/5 Copy of letter from Oliver Lodge to William Cramp, dated 25 September 1930. Lodge responds to Cramp's question about the force between two coils carrying currents when immersed in different mediums.
/6 Letter from William Cramp to Oliver Lodge, written from the University, Edgbaston, Birmingham, dated 20 June 1933. Cramp asks about the research behind a statement made in Lodge's Modern Views of Electricity published in 1889.
/7 Copy of letter from Oliver Lodge to William Cramp, dated 21 June 1933. Lodge describes the experimental basis for a statement made in Modern Views of Electricity. |