UNID2 - Ship's structure

Unidentified

Hoops (heavier hoop- 1" x 4" iron, diam about size of 44 gallon drum, w/ shackles attatched):rim, from 44 gallon drum ? (w/. small square bracket attatched), 1 spar about 4". 1 ship's elbow joint - another ship's elbow,w/ no data attatched is in th