Product features: Compass called compass, a record since the Yellow Emperor era, after generations of scholars, according to the book of changes and Heluoprinciple, with reference to the sun and moon and stars star sevenastronomical principles of operation, observe the earth mountains and rivers, plains wave form, corrected for improved manufacturing, for the determination of position and terrain reconnaissance, geomantic divisionand seamen are called it "compass" or "Luo geng". Product introduction: Name: John Hui boutique compass Material: Bakelite Size: 5 inch: length of about 16.5cm in diameter of about 14.5cm 7 inch: length of about 19.8cm in diameter of about 17.8cm 9 inch: length of about 25cm in diameter of about 23cm Weight: 5 inch 0.4KG 7 inch: weight: weight of about 0.6kg 9 inch: weighing about 1.1kg (net) Packaging: packaging mascot |