| Context | Record | 
                            
                                | Monument Type | MWX4486 Bombardon Unit, Portland Harbour (Maritime) | 
                            
                                | Monument Type | MWX4488 Bombardon Unit, Redcliff Point (Maritime) | 
                            
                                | Monument Type | MDO24323 Bowleaze, WWII bombardon (section of a floating breakwater/harbour) (Monument) | 
                            
                                | Monument Type | MWX4728 Bran Point, partially submerged section of a WWII floating breakwater/harbour (Monument) | 
                            
                                | Monument Type | MWX2128 Partially submerged section of a WWII floating breakwater or harbour (Maritime) | 
                            
                                | Monument Type | MDO24325 Redcliffe Point, bombardon (section of a floating breakwater/harbour) (Monument) |