Binoculars composed of copper alloy barrels (painted black), a horn focus knob, iron pins and 6 elliptical lenses as opposed to round. Images show the binoculars following removal from the submarine interior and initial cleaning, and binoculars after extensive soaking, cleaning, and conservation treatment.
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.
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.
Plain non-military buttons made of bone with depressed center and primarily four holes, though some contain five holes. Images show a small sample of twelve buttons of varying conditions before initial cleaning and desalination, seven buttons of varying conditions following cleaning and desalination, and thirty-five buttons of varying conditions following initial cleaning and desalination.
D-ring shackle made of iron, used to support the spar boom as part of the spar torpedo system, uncovered from suction pile excavation area about 2.3 m forward and to starboard of bow. Images show shackle following excavation with thick and compact shell and sediment concretion, x-ray photograph of shackle, and shackle following deconcretion, conservation treatment with caustic solution, and cleaning.
Left shoe, Brogan style, cut out of two main leather pieces with at least two metal nails in the heel and four eyelets for laces, two of them containing metal rings. Images show boot following removal from the submarine interior, x-ray photograph of the boot containing sediment and bone fragments, and boot following cleaning and freeze drying treatment.
Pencil composed of wood and coal, split into two halves. Images show the pencil pieces following its removal from the submarine interior sediment and pencil pieces following cleaning and freeze drying 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.
Brass thimble, 1.5 cm in diameter. Images show close-up of thimble following removal from the submarine and the thimble following mechanical cleaning and thorough drying.
