an 'oil lamp' [=a device that produces light by burning oil]
turn on/off the 'lamp'
a table/desk 'lamp'
(..) and it is night. Don't go any further with it. There's nothing good about it. Thank you, Jack. How's it going with that goddamn lamp? Federal Bureau of lnvestigation. Special Agent Chet Desmond. I'd like to ask a few questions... about Teresa Banks. Jack said you knew her. (..)1992 Twin Peaks: Fire Walk with Me