Letter written by J. Samson, Registrar to Mrs J. Groag, 26 Clifton Hill, St. John's Wood, N.W.8., on Royal Society of Arts, John Adam Street, Adelphi, London, W.C.2 headed paper
Letter apologises for 'the unfortunate oversight on [his] part in omitting to see that a lantern operator was in attendance at the Jacques Groag Memorial meeting' and hopes that Jacqueline Groag 'will be able to forgive the R.S.A.... for a most unhappy incident'.