Welcome to Geometricum


All objects are for sale

Old Scientific Instruments from 15th to 18th Century

Dividers, Drawing Instruments, Surveying Instruments and others.

Sold objects are listed here


Old scientific Books from 15th to 19th Century

Practical Geometry, Surveying, Tables

Complete book collection is sold - see details


Alidade by Gourdin à Paris, 1779.

49 x 5.2 cm

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English Drawing Set in fishskin Box, 1815, 16.5 x 5 x 2 cm

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Brass Ruler, 1702, 31.8 cm and expanded part 23.8 cm.

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English Drawing Set in fishskin Box, late 18th century, 17.5. x 8.0 cm.

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Byzantine Wight, 6./9. Century, in Bronce.

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Folding Square by Butterfield, Paris, ca. 1710.

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Brass Sector by t. Wright, London, ca. 1715 - 1746.

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Iron Divider, marked SH, 17 cm, 17th century, see my Blog


Big Globe Head Divider in Brass and Iron, Museum Quality, 16th century.

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Astrological Ring, 75 mm, in silver and gilded brass, early 19th century, for sale.

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Astrolabe by Habermel c. 1600, recreation in Brass, for sale.

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French sector by Cadot, 1738, for sale.

see my Blog.


Graphometer, german or italien, 17th century,  for sale, see my Blog


English Sector of 17th century,  for sale, see my Blog


Alidade by Bartenschlager, Schaffhausen, ca. 1760,  for sale, see my Blog

 


Roman Divider in Bronze,  for sale.

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15th century Fruit Wood Divider, for sale.

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French Level & Sector in Brass, early 18th century, 17.5 cm x 2.3 cm.

Reserved

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French Level & Sector in Brass, Vayringe a Florence, 17.4 cm x 2.4 cm, Philippe Vayringe (* 1684 in Nouillonpont; † 1745 in Toskana) a french instrument maker.

Reserved 

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Big brass German Protractor by S. Winckler à Berlin, late 18th century, 21.0 cm x 15.8 cm, High of footer 7.0 cm.

Reserved

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Big brass Protractor by Wiedholt à Munster, 18th century, 16.5 x 10.4 cm.

Reserved

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Brass Protractor by Lordelle Paris A la sphere 1742, 10.7 x 7.0 cm.

Reserved

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French Sector in Brass, 19th Century Reserved

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Brass Sector by J. Sisson, London, ca 1720SOLD

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Bronze Medal of Francois De La Lande, 1787, SOLD

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German Scale by Ertel, beginning 19th century, for sale. SOLD

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17th century Silver Sector by Butterfield a Paris, SOLD

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Brass Scale, 1768, Swiss or South Germany. SOLD

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Currently in auction

Ricardo Auctions
Ricardo Auctions