Letter from A. Schürk, Hamburg, to Robert Henry Scott, Director of the Meteorological Office, 116 Victoria Street, London, S.W, collected by the Royal Society Krakatoa Committee Doubts that the observations of the appearance of the sky following the eruption of Krakatoa will be communicated to the Royal Society in full but forwards the adjoined copy out of the rough-book of the German barque, "Papa" of Hamburg, Captain Bannaw, whom he takes to be one of the very best observers. Promises to forward any other observations he comes across. 8 April 1884