Large bolt found on top of the head of a hammer and an adjustable wrench in the bottom of the submarine interior. Images show an x-ray photograph of the bolt prior to deconcretion, the bolt with concretion, and the bolt following deconcretion and conservation treatment with subcritical fluid technology.
Wooden face mask decorated with white, blue, and red paint; mouth carved in an oval, eyes have triangular lids with blue dots, chin has blue dots, cheeks have red and white dots, forehead has blue dots and white V-lines, straw beard; string attached to two nails in back; origin Ndaka people of the Ituri rainforest.
Wooden part of bench for supporting and holding forward and central sections of the submarine interior bench, with notch cut out to fit around the submarine interior frame. Images show the concreted bench support following excavation and removal from the submarine; reverse-side view of concreted bench support; x-ray photograph of bench support; bench support following deconcretion, conservation treatment with polyethylene glycol, and cleaning; the reverse-side view of the same post-deconcretion condition; bench support following freeze-drying; and the reverse-side view of the support post-freeze-drying. Note the holes in all images where nails or screws were once held to attach the support to the forward and central bench.
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.
Wooden ceremonial mask made for the Bwadi ya Kifwebe association, a group that polices social behavior and neutralizes disruptive elements within the Luba people of the Democratic Republic of the Congo. The masks are worn in a variety of ceremonies.
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.
Brass clothing buckle with two prongs, discovered with fabric still attached. Front face of buckle has stamped marks "G", "&", heraldic symbol, "C", and numbers, with prong bar face reading "SOLIDE". Reverse face of buckle has stamped mark "1860" with "PARIS" on reverse side of prong bar. Images show buckle following removal from submarine interior and initial cleaning, front face of buckle following rinsing, cleaning, and thorough drying, and reverse face of buckle following rinsing, cleaning, and thorough drying.
Metal suspender button loop and portion of chain made of silver. Images show concreted loop following removal from submarine interior and initial cleaning, loop following partial deconcretion by mechanical cleaning, and mostly deconcreted loop following mechanical cleaning with chain portion still partially concreted.
Clay smoking pipe bowl and stem, discovered in 2 pieces. Images show pipe in its original location within the submarine interior, stem and bowl pieces of the pipe following initial cleaning, and reconstructed pipe following conservation treatment.
Brass buckle with two prongs, possibly from a vest. Images show buckle following removal from the submarine interior with surrounding sediment and textile, and buckle following rinsing, cleaning, and thorough drying.
