He whirled about in his swivel chair, and blew a cloud of smoke from his mouth.
The fat man grunted and hoisted himself out of the swivel chair.
Even as they watched the gun moved on its swivel base, whirring underneath.
Smoke-ring cannon for hail storms, swivel mounted, bow or stern.
From the platform of the swivel they looked abroad over the sea.
The brig returned ...