A Double Telescopes Graphometer – French early 19th century

A Double Telescopes Graphometer – French early 19th century

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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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