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Relief Hevelius - Gdansk TU

Relief Hevelius - Gdansk TU

Petrus Apianus - Astronomicum Caesareum - Ingolstadt, 1540, volvelle - medieval instrument consisting of a series of concentric rotating disks, used to compute the phases of the moon and its position in relation to that of the sun

Petrus Apianus - Astronomicum Caesareum - Ingolstadt, 1540, volvelle - medieval instrument consisting of a series of concentric rotating disks, used to compute the phases of the moon and its position in relation to that of the sun

Epact: Scientific Instruments of Medieval and Renaissance Europe

Epact: Scientific Instruments of Medieval and Renaissance Europe

Astrolabe Signed by Eufrosino della Volpaia Dated 1525; Florence Brass; 180 mm in diameter This Italian astrolabe is unusual in so far as it bears the wind names on the outside rim of the instrument and the magnitudes of the stars on the reverse of the rete. British Museum, London Registration no. MLA 1895,9-15.1 Epact: Scientific Instruments of Medieval and Renaissance Europe

Astrolabe Signed by Eufrosino della Volpaia Dated 1525; Florence Brass; 180 mm in diameter This Italian astrolabe is unusual in so far as it bears the wind names on the outside rim of the instrument and the magnitudes of the stars on the reverse of the rete. British Museum, London Registration no. MLA 1895,9-15.1 Epact: Scientific Instruments of Medieval and Renaissance Europe

Astrolabe of cUmar ibn Yusuf al-Muzaffari, Rasulid period (1228–1454).

Astrolabe of cUmar ibn Yusuf al-Muzaffari, Rasulid period (1228–1454).

Epact: Scientific Instruments of Medieval and Renaissance Europe

Epact: Scientific Instruments of Medieval and Renaissance Europe

Quadrant astrolabe, circa 1325 A.D. This rare instrument-only seven dating from medieval times are known to exist-combines the features of a quadrant and an astrolabe. Essentially, the circular face of an astrolabe has been "folded over" twice to create a quarter-circle. This instrument could serve as a measuring tool and perform many of an astrolabe's calculation functions as well.

Quadrant astrolabe, circa 1325 A.D. This rare instrument-only seven dating from medieval times are known to exist-combines the features of a quadrant and an astrolabe. Essentially, the circular face of an astrolabe has been "folded over" twice to create a quarter-circle. This instrument could serve as a measuring tool and perform many of an astrolabe's calculation functions as well.

Epact: Scientific Instruments of Medieval and Renaissance Europe

Epact: Scientific Instruments of Medieval and Renaissance Europe

Astrolabe, English, c.1370. The stars. http://www.mhs.ox.ac.uk/astrolabe/ (Source: journalofanobody, via yama-bato)

Astrolabe, English, c.1370 The stars ...

Astrolabe, English, c.1370. The stars. http://www.mhs.ox.ac.uk/astrolabe/ (Source: journalofanobody, via yama-bato)

Astro Clock St. Mary's Church, Rostock, Germany, 1400-1509.

Astro Clock St. Mary's Church, Rostock, Germany, 1400-1509.

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