Copy letter from Herbert Rix, to Professor William Edward Ayrton, Fellow of the Royal Society 'Soirée Dear Prof. Ayrton, Mr L. Pyke is desirous to exhibit on May 2nd a "novel multiplan continuous current dynamo". Lord Rayleigh thinks that we should inquire whether you consider it a suitable exhibit and sufficiently novel. I may say that we are not in any very great want of exhibits now. Yrs [Yours] truly H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 24 April 1894