| Description | Marine observer forms, land observation forms, meteorological office and observatory reports, air observer forms, Balfour Stewart Auroral Laboratory summary tables.
- Marine observations from O.W.S. Weather Explorer and Recorder, Newfoundland, 'Melbourne Star' (South Indian Ocean), 'Port Pirie' and S.S. 'Hyrcania' (both Bass Strait), and S.S. Bassano (North Atlantic Ocean), amongst others.
- Land observations are mainly from England and Scotland, with some from Northern Ireland, Wales and Eire. Occasional observations made from Iceland.
- Meteorological office observations are mainly from Scotland and surrounding islands (Benbecula, Orkney, Skye), Eire and Northern Ireland (chiefly Mullingar, Midleton, Valencia and Clones), and England (mainly Acklington, Manby and Watnall).
- Air observations are made on routes to and from London, Glasgow, Eire, Northern Ireland, Iceland, America and Canada.
Also:
- 'Receiving Log Analysis' sheets (Montreal to London) from Cable and Wireless Limited: January, March and April folders.
- 'Sudden Ionosphere Disturbances' data from Brentwood, Somerton and occasionally Far-East stations of Cable and Wireless Limited: January - August folders.
- Sunspot data from Royal Greenwich Observatory: January - July folders.
- Two planispheres from Clones in March and April folders.
- Black and white photographs taken in Keyingham of auroral activity in January, February and April folders.
- Details of flares and 'sudden ionospheric disturbances' from Royal Observatory, Edinburgh for the first and second quarter.
- Eskdalemuir Observatory Magnetic Disturbance data: March - August folders.
- 'Translated extracts of auroral observations from the meteorological logbook of the French Ocean Weather Ship "Le Verrier" on Station "Alfa" (62o00'N, 33o00'W)' for March and April: at end of March folder.
- January folder includes observations from Denmark (Meteorological Institute) and black and white photographs of aurora activity accompanying Iceland land observations.
- October folder contains a large section concerning observations of auroral activity on the 26th/27th October (including a photograph). |