Comfort someone this Christmas give one of these marvellous new PARKER-KNOLL CHAIRS Guarantee: The springs in a Parker Knoll chair are guaranteed for five years. Every Parker Knoll is sold under a free 7-day trial and money will be gladly refunded if you are in any way dissatisfied. They're the chairs that took England by storm . . . the friendliest, best made and most thoroughly comfortable chairs ever built. They're the only chairs with Tension Suspension, the revolutionary horizontal springi…