Solid dark ebony wood with brass hinges. Small chip in the edge of one ruler. No makers mark. Weight is 97 grams.
RARE Antique Potter Poultry London 1851 Parallel Rule Maritime Compass Ebony
15 INCH Antique Brass Porthole Nautical Maritime Ship Boat Wall Window Home item
Royal Navy 12 Inch Full Brass Vintage Marine Spyglass Pirate Monocular Unique
Designer Royal Navy 12 Inch Full Brass Vintage Marine Monocular Unique Spyglass
antique Parallel Ruler marine navigation ebony brass
350mm NAVIGATION MARITIME PARALLEL RULE. PERSPEX ACRYLIC
