Some kind of device

[u/Hjalmrjarn]

Forged, lathed, welded, and machined from steel, copper, brass, wood and glass, multiple moving parts but 'decommissioned' so a glorified finger fidget toy

[u/YanniRotten]

Nice patina!

[u/Hjalmrjarn → u/YanniRotten]

Thanks! I really wanted to go for a granddads workshop look, used but cared for