Swivel chairs (Topical Term)

Canadian General Standards Board. Chair, rotary, arm, posture back, metal frame, 1986: p. 1 ("This specification applies to upholstered rotating posture back arm chairs ...")

Canadian General Standards Board. Chair, rotary, secretarial, posture back, metal frame, 1986.

Britannica Online, 10 December 1998: "Decorative Arts and Furnishings: FURNITURE AND ACCESSORY FURNISHINGS: General considerations: KINDS OF FURNITURE: Specialized furniture." ("Such pieces as the high desks used by clerks in old offices and the big American rolltop desks have been replaced by carefully designed standard forms of writing desks with side cupboards, typewriting tables, filing cabinets, and office chairs with adjustable backs and swivel seats.")

WWWebster Dictionary ("swivel chair: a chair that swivels on its base")

Vestibular and Balance Testing Laboratory Mayo Medical Center, Rochester ("if you are seen at Mayo Clinic for a balance or dizziness problem, your physician may order testing in the vestibular/balance laboratory ... Rotary-chair testing. During this test, you will sit in a computer controlled chair that moves very slowly in a full circle. At faster speeds, it moves back and forth in a very small arc.")