Cast iron hatch cover from aft conning tower with a small viewport, bleeding valve and part of the locking mechanism. Images show the concreted hatch cover as excavated and still attached to conning tower, hatch cover during removal via crane, conning tower following hatch cover removal, and partially deconcreted hatch cover with rubber seal still attached.
Cameo-type, non-military button with profile of bearded, male head in brass on white stone wafer with scalloped rim. Images show the button prior to deconcretion and cleaning, and the cleaned button following conservation treatment and sediment removal.
Oil can (oiler) containing oil, composed of brass, discovered partly fused to the forward bulkhead and concreted. Images show the oil can under heavy concretion and the oil can following deconcretion, conservation treatment with caustic solution, and cleaning.
Half of wood pencil separated along the center where lead is contained. Images show pencil during screening of material in sediment bucket and pencil following cleaning and freeze drying treatment.
Small wood match stick, about the size of a thick match. Images show the match stick in its original location within the submarine near a ballast block and the match stick following cleaning and freeze drying treatment.
Copper alloy Union infantry buttons, most likely pre-Civil War Federal infantry, with raised Federal eagle clasping three arrows and olive branch and shield containing a capital "I" in the center. Images show forward face of buttons in varying conditions following removal from the submarine interior sediment and initial cleaning, and close-up of three of the buttons following mechanical cleaning, with reverse side of one button showing inscription on back and broken eyelet.
Assortment of non-military four-holed buttons made of glass, possibly ceramic. Images show twenty-five buttons in varying conditions as well as designs showing forward face, seven buttons in varying conditions as well as designs showing forward face, and same seven buttons showing reverse side.
Domed brass or copper alloy non-military buttons, two-pieced with raised shank and hoop on back. Images show buttons in varying conditions following removal from submarine interior sediment and initial cleaning, and four buttons showing forward face domed metal after conservation and one untreated button for comparison purposes showing reverse side with loop.
Non-military brass buttons stamped with design and either two- or four-hole depressed center. Images show four buttons following removal from submarine interior sediment and initial cleaning and two buttons following cleaning and treatment, one showing a stamped rope design and one showing a stamped star design.
Wooden pipe stem and bowl, broken in two pieces, belonging to one of the crew. Images show the pipe in its original location within the submarine interior, and pipe following cleaning, conservation treatment, and freeze drying.
