Warren Knight Co. Station Pointer or 3 Arm Protractor $149.99 USD Sold on: 2017-Mar-11 Marketplace: eBay ![]() 1 Treasure 0 Trash ![]() ![]() This Three Arm Protractor is used for coastal navigation using a sextant and was invented in 1801 by Joseph Huddart, a U.S. naval captain. This instrument was made in 1969 ( I called Warren Knight). A... ![]() More Relevance Historical Items
|