Geometricum
Books and Instruments from 15th to 18th Century
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Ruler Charbonnier 17c
Plumb Bycantinic 6-9c
Indian Astrolab 19c
Planeten Tafel 1520
Divider Iron India 19c
Divider Wood 16c
Divider Iron 19c
Graphometer German 17c
Protractor 18c
Brass Divider 18c
Graphometer Meurand 18c
Comographia Apian 1533
Organum Uranicum 1536
Brass Reduct.Divider 18c
Sector Langlois 18c
Rect. Instrument 16c
Divider Brass French 18c
Kalendar 1489
Astrological Model 19c
Proclus Diadochus 1560
Roman Divider 1-4c
Brass Divider 18c
Indian Divider 19c
Brass Divider 17/18c
Astrolabium Ritter 1613
Astrolabium Ritter 1613
Divider Gold 13-15c
Pantocosme 17c
Drawing Instrument 1780
Divider Iron 19c
Tabule Alfonsi 1524
Brass Sector 17c
Indian Astrolab 19c
Drawing Pen 19th c
Divider 17th c
Protractor 17th c
Iron/brass Divider 17th c
Protractor Langlois 18th c
Iron Divider 17c
Iron Divider 16th c
Geometrie, Marolois 1627
Iron Divider 18th c
Divider End of 16c
Astrolabe 1953
Geométrie, Le Clerc, 1682
Iron Divider 16/17c
Picture of the month
Iron Divider 18th c
Iron Divider Roman
Iron a. Brass Divider 17th c
Alidade 1779
Drawing Set 18th c
Astrolabe Persian 19/20th century
Alidade Meurand
Protractor Winckler 18th c
Graphometer Esser
Ruler 1768
Astrolabe 1629
Compasso Geometrico
Uhrentafel 16th c

 

 

 

Ritter Franciscus Astrolabium Das ist:Gründliche Beschreibung und Unterricht, wie solches ...astronomisches Instrument...

21 Kupfer, 1613, Christoff, Nürnberg. Einband : Pergament, 4 to, 56/28 Bll., Zustand : 1 Seite Textausriss, Poggendorf No. : II/650. Bemerkungen : mit Schliessbändern. Erste Ausgabe.Zinner 4437 und 4438(nennt irrig für Teil 1 6 Blatt Vorstücke). Aus der fürstlichen Bibliothek zu Donaueschingen.Titel mit Besitzeintrag eines Grafen von Wartenberg.

Benzing, Die Buchdrucker des 16. und 17. Jahrhunderts im Deutschen Sprachgebiet, P. 367; Gunther, Astrolabes of the World, PP- 460,570,593; Thieme-Becker XII, p. 563, and XXXIII, pp. 431-432; Wolf, Gesch. der Astronomie, pp. 165-166; Zinner, Astron. Literatur 4439; Zinner, Astron. Instrumente, P. 492.

Franz Ritter was a student of J. Praetorius at the University of Altdorf and served as a minister in Stöckelsheim. He died after 1640. He wrote several astronomic works, among which a book about the working and construction of an astrolabe (Zinner 4437), and the accompanying second part about the use of this instrument (Zinner 4438). The work received pralse for its lucid exposition. Both parts were published separately in Nuremberg in 1613 by B. Caymox, who also made the twenty-one copper engravings in the first part and the fifteen folded engravings at the end of the second part (Zinner).

If you have any question to the instrument of my collection please contact me:

mgeissbuehler@gmx.net