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

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

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.

French Sector in Brass, 19th Century Reserved

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

Folding Square by Butterfield, Paris, ca. 1710.

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

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

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

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

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

French sector by Cadot, 1738, for sale.

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.

15th century Fruit Wood Divider, for sale.

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

Bronze Medal of Francois De La Lande, 1787, SOLD

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

17th century Silver Sector by Butterfield a Paris, SOLD

Brass Scale, 1768, Swiss or South Germany. SOLD

A selection of objects for sale

for more details

Currently in auction

Ricardo Auctions

Non object on sale in auction.