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Autograph quote signed "Edouard Branly", 8vo. 1 page, c. 1900, in French, four lines including: "il faut se contenter du temps present, sait - on l'avenir ce que sear l'avenir?" ("One must be happy with the moment, what do we know about the future?") Condition: two minor spots along the left margin (far from text), otherwise very good. French physicist and inventor involved in the early development of wireless telegraphy.
Cambridge, MA: 1968. 1 page, 11 x 8.5 inches, Massachusetts Institute of Technology, Research Laboratory of Electronics, July 31, 1968, to close friend and attorney Jacob Bacal, in part: "...For many years I have been collecting material together to write a comprehensive biography of Benjamin Thompson, Count Rumford (1763-1814). Next year I am taking a sabbatical leave from M.I.T. to allow myself time to do the actual writing of this biography which is projected to be the seventh volume of.....
London: 1875. Autograph note signed, 12 mo., 1 page, personal stationary, 20 Mornington Road, London, complying with an autograph request, in full: "With William Crookes's Compliments - July 26th 1875." Boldly signed with an irregular left-hand margin and mounting remnants on verso. Overall: very good. English physicist and chemist whose inventions included the 100% ultraviolet blocking sunglass lens. He was the recipient of the Nobel Prize in Chemistry for his discovery of Thallium.
Paris: Comptes Rendus, 1902. 4 pages (pp. 548-551) IN: Comptes Rendus Hebdomadaires des Seances, de l'Academie des Sciences, vol. 132, no. 9. Several illustrations. Paris, 1902. Disbound, now in modern wrappers. Overall a very good copy with mostly unopened pages. Curie and Debierne worked on the phenomenon of the persistance of induced radioactivity; their experiments could be explained by Rutherford's theory of emanation (radon), a radioactive gas emitted by radium. DSB, III, pp. 506-8.
Comptes Rendus, 1900. 4 pages (73-76) in: Comptes Rendus des Seances de L'Adademie des Sciences Volume 130, No. 2. IN THE SAME ISSUE: SKLODOWSKA-CURIE, Marie. Sur la Penetration des Rayons de Becquerel non Deviables par le Champ Magnetique. 4 pages (76-79). Slim 8vo, modern printed wrappers. Paris: Comptes Rendus des Seances de L'Academie des Sciences, 1900. A very good(+) copy "Pierre Curie had just demonstrated that there are at least two different kinds of rays, subsequently known as A and.....