'Why should Cornishmen learn Cornish?' asked Henry Jenner (1848–1934) in the preface to this 1904 publication, dating from the beginnings of the Cornish revival. Jenner admits that 'the reason ... is sentimental and not in the least practical'. Born in Cornwall, but raised in south-east England, Jenner worked at the British Museum from 1870 to 1909 and was elected a fellow of the Society of A…