| Description | 'Dear Sir,
With reference to your letter of June 12, we regret to be unable to give you any information regarding reports of investigations on the movements of the upper atmosphere, owing to the large issues of publications already issued on this subject. We would refer you to a report published by HM Stationery Office on apparatus and methods in use in the investigation of the upper air by W H Dines, price 2s 6d.' |