Author: Mulders, Gerardus F. W.
Title: Aequivalente breedten van Fraunhoferlijnen in het zonnespectrum.
Description: Nijmegen, De Gelderlander, 1934. Sewn. Publisher's original printed paper covers. 70 pp. Thesis. University of Utrecht. List of theses loosely inserted. (bit frayed at edges and with annotation in pencil). With bibliographical references, tables and graphs. Equivalent breadts are given of 462 Fraunhofer lines, distributed over eight different regions of the spectrum of the centre of the sun's disc and a calibration of equivalent breadth of Rowland's scale of intensities for solar lines. Text in Dutch with short summary in English. A few library marks on title verso, ticket on cover. Mailorder only - Alleen verzending mogelijk. Book condition : very good.

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