BURON à Paris. Varnished brass telescope with brown leather sheathing, with two prints. Signed. Closed length: 51 cm - Open length: 91 cm. Missing eyecup. Scratches and tears to the leather; shocks and some oxidation to the brass, crushing to the eyecup bezel. BURON, father or son, Joseph or Noël, otic engineers active in Paris in the first half of the 19th century.