Prof. F. A. Lindemann's prototype Photoelectric Stellar Photometer made at the Claredon Laboratory, Oxford in 1919. Prof. F. A. Lindemann's prototype Photoelectric Stellar Photometer made at the Claredon Laboratory
Folder of 11 photographic reproductions celebrating 50 years of the Conseil du Physique Solvay 1911-1961, issued Institut International de Physique Solvay Bruxelles (Brussels) [c.1961-2]. +8pp text. [set lacking 12th Conseil 1961]. Sitters identified. Photo for 7th Conseil 1933 is autographed by sitters incl. Schrodinger, Curie, Rutherford etc. Size A3. Conseil du Physique Solvay 1911-1961
