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1. Brass oil can
Description:
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.
2. Cast iron cover of starboard deadlight
Description:
Cast iron cover from the starboard deadlight with rubber seal on the inside, removed from hinge on interior of the hull plate. Images show x-ray photograph of deadlight cover, deconcreted cover with rubber seal in place, and cover with rubber seal removed after conservation treatment with subcritical fluid technology.
3. Cast iron hatch cover
Description:
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.
4. Forward wooden shelf
Description:
Wooden shelf from forward bulkhead in the submarine interior, found laying horizontal to the original upright orientation of the submarine. Possibly made of pine, approximately 1 inch thick, with cut-outs to fit in the bulkhead of the submarine. Images show wooden shelf within the submarine interior during excavation and wooden shelf after removal, conservation treatment with polyethylene glycol, and freeze drying. Note the rust stains on both ends where bolts had been used to secure the shelf.
5. Hammer
Description:
Hammer made of wood and wrought iron, found laying against adjustable pipe wrench in the bottom of the submarine interior. Images show the initial location of the hammer on the submarine interior hull, the hammer concretion together with the pipe wrench following removal from the submarine, x-ray photograph of the hammer following separation from wrench concretion, and the hammer following partial deconcretion.
6. Iron bolt and nut
Description:
Nut and bolt once connected to iron bar in between interior aft pump and horizontal rod support. Images show initial connection to iron bar in the submarine interior, x-ray photograph of the bolt and nut and the adjacent bolt, corrosion of the bolt and nut after removal from concretion, and bolt and nut after conservation treatment with subcritical fluid technology.
7. Iron bull's eye lantern
Description:
Bull's eye lantern, made of iron, with convex glass lens. Images show concreted lantern during excavation of the submarine interior, x-ray photograph of the lantern, and lantern following and extensive cleaning and conservation treatment.
8. Iron file
Description:
Metal file composed of wrought iron, initially found resting on top of a ballast block on the interior floor of the submarine. Images show the initial site of the iron file during excavation and the file after deconcretion and conservation treatment with subcritical fluid technology.
9. Iron plate with attached view ports
Description:
Exterior hull plate, hemispherical (semi-circular), made of wrought iron with glass view ports. View ports include hinged cast iron deadlight cover with wrought iron pin lock on the interior of the hull to prevent light from appearing outside the submarine during night drills. Images show plate and view ports following submarine excavation and hull plate removal, x-ray photograph of view ports prior to deconcretion, view ports following deconcretion (removal of sediment concretion), and full deconcretion of hull plate and view ports, including the removal of glass and hinged deadlight covers.
10. Iron rudder
Description:
Rudder composed of wrought iron, discovered on the exterior of the submarine beneath the stern end with a large portion portside. Images show excavated rudder with concretion of coral growth and sea urchin spicules, rudder following partial deconcretion, deconcreted rudder treated in caustic solution, and fully deconcreted and cleaned rudder.