Titlebook: Scientific Credibility and Technical Standards in 19th and early 20th century Germany and Britain; In 19th and Early 20 Jed Z. Buchwald Boo

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,Buying the Dark Lines of the Solar Spectrum: Joseph Von Fraunhofer’s Standard for the Manufacture om, which now bear his name, and his advances in the manufacture of optical lenses. Previously, scholars discussing Fraunhofer’s merits have erroneously placed him at the forefront of a long tradition of spectroscopy,. or have portrayed him as the ‘father of German optics’ in attempting to argue for

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The Zeiss Werke and the Ultramicroscope: The Creation of a Scientific Instrument in Context,(April, 1991); I thank Robert Bud and Susan Cozzens for their invitation to do so, and John Krige for his helpful comments and criticisms at the conference. I also presented first drafts of other parts of this essay at History of Science Society meetings in Madison (November, 1991) and New Orleans (

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Syntony and Credibility: John Ambrose Fleming, Guglielmo Marconi, and the Maskelyne Affair,tised the practical nature of his system and calmed objections to it. When, after 1900, syntony, or tuning, became a central issue in radiotelegraphy, Marconi devised a new syntonic system for sending and receiving wireless messages, and provided a series of powerful demonstrations of the system’s e

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978-0-7923-4762-0Kluwer Academic Publishers 1997

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M. R. Nuwer,L. G. Carlsonnalytical solutions for internal flows, this chapter focuses on the analytical solutions of the simplified Reynolds momentum equation for wall-bounded turbulent flows. This includes intermediate mathematical derivation steps in the investigations which cannot be found in most textbooks. The derived