A Double Telescopes Graphometer – French early 19th century

A Double Telescopes Graphometer – French early 19th century

800 Euro

Well preserved with some oxide spots on the surface. Finely engraved compass dial

Dimensions

30x30cms

Circa

19th c. First half

Country of manufacture

France

Category: Surveying Instruments & Mining

Description

French brass Graphometer with double telescopes, from early 19th century. The instrument has a good patina with some oxide sports on the surface. Everything moves smoothly. Brass conical staff mount with swivel-ball on top and 4 blocking screws. 2 toric bubble levels for perfect plane position. Brass dial compass, finely engraved with silvered 360 degree scales. Blue steel compass needle. 2 scopes with lenses and crosshairs. Some dust on the lens.

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IT Scienzantica

Scienzantica

Based in Florence, Italy, I have been collecting antique scientific instruments for the last 10 years. Some years ago I decided to turn this passion into my job, so I opened my personal website to sell all over the world. Thanks to my experience I managed to gain my client's trust offering an accurate service and good quality items. I sell all kinds of scientific instruments, especially French and Italian drawing sets. For more info you can contact me via email - scienzantica@gmail.com

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