FRANCE, XIXEME SIECLE BURON in Paris. Brown leather covered spyglass. Sliding lids. Signed on the first tube. Closed length : 51 cm - Open length : 91 cm. Missing lid of the eyecup. Scratches and tears to the leather; shocks and small oxidations to the brass, crushing to the eyecup. BURON, father or son, Joseph or Noël, optical engineers active in Paris in the first half of the 19th century.