(The transcription Jones uses here is not quite the same as he uses in the Outline and EPD. For the fraught matter of how to write the vowel of DRESS he chooses ɛ rather than e — though if you look carefully you will see one word for which he forgets and inconsistently writes e.)
(Note the use of the long ɔː in the CLOTH words off(-print) and lost. In virtually all modern RP these words are pronounced with ɒ, which in this transcription would have been shown as ɔ without length marks. Two other words unlikely to be pronounced nowadays as shown here are interest and practically.)
The IPA Council however voted by 12 to 5, with 2 abstentions, that
l ɔrtɔɡraf yzɥɛl səra limite o syplemɑ̃ [ordinary spelling will be restricted to Supplements (published with the mf)]
From one such Supplement published in the same year, 1912, here is a ‘specimen of phonetic [hand]writing’: the North Wind and the Sun in ‘Northern English’, presumably therefore contributed by R.J. Lloyd. His accent was rhotic, with monophthongal FACE eː and GOAT oː.