Copy letter from Robert William Frederick Harrison to Professor Gisbert Kapp, The University, Birmingham 'Soiree. With reference to your kind of offer to exhibit a fatigue tester at the Soiree on May 10th, I am to say that the Soiree Committee regret their inability to accept it as the programme is made up; also, we have a larger series of exhibits than usually is the case.' 5 May 1911