__ machine (7)
'machine' is the definition.
(machine for shaping metal etc)
This is all the clue.
(Other definitions for lathe that I've seen before include "This is turned out" , "craftsman's machine" , "Turning implement" , "Turning tool" , "Machine tool for shaping metal or wood" .)
(Other definitions for fog that I've seen before include "Obscure" , "Miasma" , "Impenetrable mist" , "Bafflement" , "Pea-souper" .)