The Upright Systems. (Horizontal Arm Spur System. High Renewal. Fan Training) 34-55 The Drooping Systems. (True or Four-Cane Kniffin. Modifications of the Four-Cane Kniffin. The Two-Cane Kniffin or Umbrella System. The Low or One-Wire Kniffin. The Six-Cane Kniffin. Overhead, or Arbor Kniffin. The Cross-Wire System. Renewal Kniffin. The Munson System) 56-82…
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