A Brass Circumferentor, France, 19th century, the circular brass surveyor's instrument with glass-covered compass dial, engraved degree scale and cardinal points, mounted within an openwork brass frame with sighting vanes, the dial signed 'Balbreck aine a Paris,' dia. 9 1/2 in. Lot to be sold without reserve. This lot is subject to the following lot symbols: ¤ ¤ Unless indicated by the ¤ symbol next to the lot number (or bearing an explicit statement such as 'No Reserve' or 'Without Reserve'), which denotes no reserve, all lots in the catalog are subject to a reserve. The reserve is the minimum hammer price that the seller is willing to accept for a lot. This amount is confidential and does not exceed the low estimate value. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing