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
Object of unknown metal, from portable chemical cabinet in pine chest
Stages of manufacture for steel-backed whitemetal
Modulator, Manometer, Control Table and Local Oscillator for Naval Radar type 293Q
1945
Piece of metal from Dräger gas testing apparatus
1980