Photograph of the instruments used by the British expedition when observing the 1919 total solar eclipse in Brazil.
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