Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1889 |
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Сторінка 368
... measured were in the visible spectrum , and their wave lengths were determined by direct micrometric measurement . The others were fixed from measurements of their photographs . The author believes them correct to one fifty - thousandth ...
... measured were in the visible spectrum , and their wave lengths were determined by direct micrometric measurement . The others were fixed from measurements of their photographs . The author believes them correct to one fifty - thousandth ...
Сторінка 452
... measured the unusually perfect colorless topaz crystals from Utah and found them to agree closely in their elements with the Uralian crystals . Des Cloizeaux has extended his study of the vanadate bearing his name ( descloizite ) and ...
... measured the unusually perfect colorless topaz crystals from Utah and found them to agree closely in their elements with the Uralian crystals . Des Cloizeaux has extended his study of the vanadate bearing his name ( descloizite ) and ...
Сторінка 717
... measured with a spirit - level by Maj . J. C. Turner , civil engineer , setting out from Guyot's point of departure , and the height made 6,711 feet . There was still left unmeasured the heights of the Catskill Mountain range . In 1862 ...
... measured with a spirit - level by Maj . J. C. Turner , civil engineer , setting out from Guyot's point of departure , and the height made 6,711 feet . There was still left unmeasured the heights of the Catskill Mountain range . In 1862 ...
Зміст
Scientific Writings of Joseph Henry | 9 |
APPENDIX TO THE SECRETARYS REPORT | 29 |
Shipments received from abroad | 38 |
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Abstract Acad acid æther Agassiz Amer American appears Archæology Astron astronomical bands beds Berlin black tamanous body bones Bull Cambrian canoes Carboniferous catalogue Chem Chemakum chemical chemistry comet Compt County Cretaceous crystals described Devonian diameter earth earthquakes Eocene equatorial exploration fauna feet figs fish fossils genera genus Geol gives glacier Guyot heat inches Indians instruments investigation Jour July June Klallams Leipzig limestone London measured memoir meridian circle method miles motion mound Mountains Museum Nachr Nature Neuchâtel North observations Observatory obtained origin paper Paris phenomena photographic Phys physical plates potlatch present Proc Prof Professor published recent region relations right ascension River rocks schists Silurian Smithsonian Institution Society species specimens stars stone structure surface tamanous temperature tion tribes tube Twanas Ueber velocity volume XXXII XXXIV York