Vintage Ship's Brass CLINOMETER + Copper & Wood

Great early maritime / nautical item.  The old salt we acquired this from was a ships / boat salvager from the San Diego California area . . This one was wall mounted for decades and is a mixture of brass, copper and wood (backing) . . Measures approx. 8-5/8 inches at the widest point across the bottom. 
Shipping included: UNITED STATES  Only
 
SIMPLE INSTRUMENT TO MEASURE THE SLOPE / TILT OF THE SHIP WHILE AT SEA / OCEAN / GREAT LAKES  - - MILITARY / MERCHANT MARINE / CIVILIAN 
 
Lakeside Relics - Unique Collectibles and Antiques - MEMBER OF LAKE COUNTY HISTORICAL SOCIETY