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Collection of 29 offprints, mostly on liquid crystals. ex-libris Becquerel and von Karman
1901 - Lehmann, Otto (1855-1922). Group of 29 offprints, pamphlets, etc., as listed below. Various sizes. V.p., 1901-13. Original wrappers or without wrappers as issued; see below for detailed condition statements. 21 of the items are from the library of Henri Becquerel (1852-1908) and his family; these bear the characteristic gummed label on the front or back wrapper. The remainder are from the library of Theodore von Karman (1881-1963), with his characteristic cataloguing stamp and docketing. First / First Separate Editions. Lehmann discovered liquid crystals, defined as "collections of long molecules tending statistically to lie along a specific direction" (Twentieth Cent. Phys., III, p. 1540); these have found numerous industrial and technological uses in the 20th century. Lehmann made his discovery in 1888-89, after the Austrian botanist Friedrich Reinitzer had sent him some cholesteric esters which showed two distinct melting points about 30 degrees apart. Lehmann determined "that the cloudy intermediate phase [between the two melting points] contained areas that possessed a molecular structure similar to that of solid crystals, and he called this phase 'liquid crystal'. . . . Lehmann's work stimulated much research in this area as well as studies to find technical applications of the phenomenon, and these efforts are still continuing" (DSB). Lehmann published two important books on liquid crystals (1904 & 1911), as well as about 120 papers in scientific journals; the present collection represents about one-fifth of his output of articles. Twenty-one of the items in this collection are from the library of Nobel laureate Henri Becquerel and his family. Becquerel and his son Jean both performed important research on crystals, with the latter's scientific career being primarily devoted to examination of the effect of a magnetic field on a crystal's optical properties. The remainder of this collection's offprints are from the library of Hungarian physicist Theodore von Karman, who in 1912 co-authored with Max Born the theory of crystal lattices. 1. Ueber Elektrisirung der Luft durch Glimmentladung. Offprint from Ann. Phys., 4th series, 6 (1901). 661-680pp. Fold. plate. Orig. ptd. wrappers, gummed label on front wrapper. 2. Der dunkel Kathodenraum. Offprint from Verh. Naturwiss. Vereins 15 (1902). 55pp. Text diagrams. Orig. ptd. wrappers, gummed label on front wrapper. 2 leaves loose. 3. Gasentladungen in weiten Gefassen. Offprint from Ann. Phys., 4th series, 7 (1902). 28pp. 2 fold. col. plates. Orig. ptd. wrappers, gummed label on front wrapper. 4. Die Gleichgewichtsform fester und flussiger Kristalle. Offprint from Ann. Phys., 4th series, 17 (1905). 728-734pp. Text diagrams. Orig. ptd. wrappers, gummed label on front wrapper. 5. Naherungsweise Bestimmung der Doppelbrechung fester und flussiger Kristalle. Offprint from Ann. Phys., 4th series, 18 (1905). 796-807pp. Orig. ptd. wrappers, gummed label on front wrapper. 6. Drehung der Polarisationsebene und der Absorptions-richtung bei flussigen Kristallen. Offprint from Ann. Phys., 4th series, 18 (1905). 808-810pp. Orig. ptd. wrappers, gummed label on front wrapper. 7. Homotropie und Zwillingsbildung bei fliessend-weichen Kristallen. Offprint from Ann. Phys., 4th series, 19 (1906). 9pp. Text illustration. Orig. ptd. wrappers, gummed label on front wrapper. 8. Fliessend-kristallinische Trichiten, deren Kraftwirkungen und Bewegungserscheinungen. Offprint from Ann. Phys., 4th series, 19 (1906). 22-35pp. Text illustration. Orig. ptd. wrappers, gummed label on front wrapper. Light spotting. 9. Dampf- und Losungstension an krummen Flachen. Offprint from Phys. Zeit. 7 (1906). 3pp. Orig. ptd. wrappers, creased horizontally, gummed label on front wrapper. 10. Die Farbenerscheinungen bei fliessenden Kristallen. Offprint from Phys. Zeit. 7 (1906). 7pp. Text diagrams. Orig. ptd. wrappers, creased horizontally, gummed label on back wrapper. 11. Die Gestaltungskraft fliessender Kristalle. Offprint f [Attributes: Soft Cover]
      [Bookseller: Jeremy Norman's historyofscience]
Last Found On: 2015-03-19           Check availability:      AbeBooks    

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