Offprint titled 'Air Ministry. Meteorological Office. Professional Notes. Vol. 3. No. 39. The Upper Air Circulation of the Atlantic Ocean. Published by the Authority of the Meteorological Committee.'

8vo: 18 pp, paginated 200-217. Grubby and lightly-aged and creased, with rusty staples. Title-page headed 'For Official Use. M.O. 245s.' Scarce. No copy at the British Library, and the only copy on COPAC at Nottingham.