| Description |
"Raphael Eduard Liesegang (November 1, 1869 ? November 13, 1947) was a German chemist, photographer and entrepreneur born in Elberfeld. He is known for his work on Liesegang rings. He also helped develop the methods of capillary analysis, a precursor to paper chromatography, published a paper on the possibility of television (years before the discovery of the electron), contributed to chromosome theory, worked on properties of aerosols and gelatins, the origins of silicosis, the role of carbon dioxide in plant life and the mechanism of both black and white and colour photographic processes." Wikipedia. 11 scarce offprints, 8 with the stamp of Wilhelm Caspari Berlin-born physician and bacteriologist, a world-renowned specialist in the field of cancer research, who died in the Lodz Ghetto in 1944. The father of German-American zoologist and geneticist Ernst Caspari. Titles included: Die Diffusion der Lokalanasthetika (1926) Some tearing to bottom edge, else very good.; Schwefelverbindungen in der photographischen Gelatine (1926) reprinted from Sonderdruck d. "photogr.Industrie" 24. Jahrg., Heft 18 3. Mai 1926; Die Ausweriung gefarbter Praparate (1924) some tearing and chipping; Die Vorgange bei der Bindegewebeversilberung nach Bielschowsky (1924); Zur Haftdruck-Theorie (1924) some tearing and chipping to edges, not affecting text.; Gefass-Studien (1924); Eine neue Umkehrerscheinung (1921) Some creasing; Eine Warmewirkung bei der Niederschlagsbildung in Gallerten (1925) minor chip to edge with few closed tears; Eine reversible Trubungserscheinung (1922) Some chipping and tears; Strahlungswirkung auf Kolloide Circa early 20s, small chip else very good; Die Diffusion der Lokalanasthetika nd.. Overall very good scarce group of offprints. First edition.* |
