British North Greenland Expedition: auroral observations and correspondence. Correspondence between R.A.Hamilton and James Paton regarding the British North Greenland Expedition, and auroral observations made during the expedition. The content of the correspondence chiefly concerns Hamilton's application to Paton for advice on making auroral observations. The auroral observations fall into three sections: observations made at Britannia Lake, 1952-1953, observations made at Britannia from September 1953 to March 1954, and observations made at "Northice" during the winter 1953-1954. 1952 - 1957