French reflecting / borda circle Ponthus & Lepetit, Paris

Rare French reflecting circle, also known as a Borda circle. 26.5 cms (10.5) diameter, signed on the arc, Lorieux Ponthus et Lepetit a Paris 212, engraved on the arm and brass plaque to case, Service Hydrographique 57.

The scale is engraved from 0 180 (clockwise & anti-clockwise) with magnifyer and thumb wheel adjusters to the vernier. Some deterioration to the black enamel finish in areas. The two mirrors are in good condition; the case holds a further 2 spare mirrors, 2 telescopes & eye-piece filters, various sun filters etc.

There are a couple of cracks to the case, the lock and handle are present. The item "French reflecting / borda circle Ponthus & Lepetit, Paris" is in sale since Sunday, July 21, 2019. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "marl727" and is located in Blackpool.

This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.

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