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Description |
English: Astronomical instruments of the Strasbourg Observertory.
Deutsch: Astronomische Instrumente in der Sternwarte Strasbourg.
Fig. 1. Meridiankreis der Straßburger Sternwarte. Erbaut von Gebrüder Repsold in Hamburg, Objektiv von Merz in München. Objektivöffnung 16,2 cm, Brennweite 1,9 Meter. a, a Träger des Instruments. b würfelförmiger Körper. c, c' Hohlkegel. d, d' Körper des Fernrohrs. e, g geteilte Messingkreise. f, f Mikroskope zum Ablesen der Teilstriche. h, h horizontale Hebel mit Haken i zur Unterstützung der horizontalen Drehungsachse. k Messingring zur Drehung des Fernrohrs. l, m, n Vorrichtung zum Fixieren des Fernrohrs. o Trieb mit Kette. p Sucher. q Gegengewichte Fig. 2. Großer Refraktor der Straßburger Sternwarte. Objektiv von Merz in München, mechanischer Teil von Gebrüder Repsold in Hamburg. Objektivöffnung 48,7 cm, Brennweite 7 Meter. a Hohlcylinder. b Stundenkreis. c eiserner Hohlkörper. d Deklinationskreis. e Okularende des Fernrohrs. f Positionskreis. g Ring zur Bewegung des Okularkopfes. h Mikroskop zum Ablesen der Kreise. i, i Spiegel und Prismen. k Petroleumlampe Fig. 3. Altazimut der Straßburger Sternwarte. Objektiv von Merz in München, mechanischer Teil von Gebrüder Repsold in Hamburg. Durchmesser des Cylinders 84 cm, Objektivöffnung 13,3 cm, Brennweite 1,5 Meter. a kreisrunder Pfeiler. b gußeiserner Cylinder. c oberer Cylinder. d Stahlachse. e Fernrohr. f, g Handhaben. h Kurbel z. Umlegen d. Instruments. i Niveau. k Niveaukurbel. l Niveaufernrohr. m Spiegel. n Vertikal- oder Höhenkreis. o Horizontal- oder Azimutalkreis. p, p'p' Mikroskope zum Ablesen der Kreise. q Quecksilberhorizont. r Klappen der in dem Kessel befindlichen Petroleumlampe Fig. 4. Heliometer der Sternwarte zu New Haven (Nordamerika). Erbaut von Gebrüder Repsold in Hamburg. a Okular des Fernrohrs. b Mikroskop zum Ablesen der Teilungen. c geteilter Kreis und d Mikroskop zum Ablesen desselben. e, f Petroleumlampen. g Schirm |
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Date | 1885 | |||
Source | Meyers Konversationslexikon | |||
Author | Bibliographisches Institut | |||
Permission (Reusing this file) |
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Public Domain
EXIF data: | |
File name | meyers_b1_s0983a.jpg |
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Size, Mbytes | 0.3972275390625 |
Mime type | image/jpeg |
Orientation of image | 1 |
Image resolution in width direction | 300 |
Image resolution in height direction | 300 |
Unit of X and Y resolution | 2 |
Color space information | 65535 |
Exif image width | 2048 |
Exif image length | 1636 |
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