Junkes J Joseph (3 results)
More imagesLanguage: English
Published by Vatican Observatory (Specola Vaticana), Vatican City, Italy, 1964
- Softcover
- First Edition
Seller: Dorley House Books, Inc., Hagerstown, MD, U.S.A.Dorley House Books, Inc.
Contact seller4-star sellerCondition: Used - Very good
£ 307.61
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Paperback. Condition: Very Good. 1st Edition. stapled blue printed wraps; 8 clean, unmarked pages; with 16 photographic plates (loose); both in a quatro-folded slipcase; lite sunning but very little wear mostly of which is at the seams/hinges of the slipcase; owner's name on slipcase and booklet. a landmark spectral atlas and ca…talog published by the Vatican Observatory detailing the atomic emission wavelengths (measured in Angströms, of the element thorium. It serves as a highly accurate, universal reference standard for calibrating astronomical spectrographs and laboratory equipment. Because thorium is mono-isotopic and avoids complex hyperfine line splitting, its spectrum produces clean reference points critical for precise astronomical radial velocity and exoplanet searches. 16 b/w photograhic plates, each with three sections of the spectrum. (illustrator).
- Softcover
Seller: Antiquariat Bernard Richter, Baden-Baden, GermanyAntiquariat Bernard Richter
Contact seller3-star sellerCondition: Used
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(= Ricerche Spettroscopiche, Vol. 3, Nr. 3). S. 65-162 mit 24 Abbildungen. 4to. (24 cm) OBroschur. Città del Vaticano, Specola Vaticana 1966.
Seller: Antiquariat Bernard Richter, Baden-Baden, GermanyAntiquariat Bernard Richter
Contact seller3-star sellerCondition: Used
£ 39.53
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2 Bände: Teil I: Geometrisch und optisch gleichartige Halbprismen in nicht-gekreuzten Lagen. S. 265-378 mit 32 Textfig. -- Teil II: Geometrisch und optisch gleichwertige Halbprismen in symmetrischer Kreuzung nach Art des Herschel-Risley-Doppelprismas bei einfachem Strahlendurchgang. (= Ricerche Spettroscopiche, Vol. 3, r. 7 und…8). S. 381-529 mit 38 Textfig. 4to (24 cm) OBroschuren. Città del Vaticano, Specola Vaticana 1970-1974.
