Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Phillips] Thompson FRS 'Soiree. I mentioned the matter of the Poulsen Magnetic Telephony to the Soiree Committee, and they though the idea was a very good one. The Committee wished me to enquire whether you would kindly undertake to approach Mr Poulsen with a view to an exhibit being arranged, if possible. The Soiree date is Wednesday, May 7th.' 4 April 1913