Metal finger ring with receptacle and hinged lid, lid bears engraved design depicting a cross and possibly a church, the rest of the ring is decorated with applied metal decoration
Piece of metal, from the original firebox of North Star
Ica Iris Diaphragm
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Stage of manufacture for steel-backed whitemetal
Piece of Metal
Stage of manufacture for steel-backed whitemetal
Components and Panel for Michels' mercury-sealed high pressure ethylene compressor
1936-1938
Box containing two lumps of dark material
1790-1819
Object of unknown metal, from portable chemical cabinet in pine chest
Modulator, Manometer, Control Table and Local Oscillator for Naval Radar type 293Q
1945
Piece of metal from Dräger gas testing apparatus
1980