I believe this is a submarine siren. It has wear, rust, and flaking paint from age. I dont see any cracks or repairs. It looks like it would restore nicely. Please see pictures for condition. 7.75″ deep 6.5″ tall and 7 wide at its feet. The item “NAVY SUB diving HORN Siren H-9 WWII Submarine Alarm USN 1945 Federal” is in sale since Monday, November 4, 2019. This item is in the category “Collectibles\Militaria\Militaria (Date Unknown)\Navy”. The seller is “5440nicholas” and is located in Topeka, Kansas. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Colombia, Aruba, Iceland, Luxembourg, Paraguay, Uruguay.