1. Part No.19a Wheel 3" with set screw.
  2. Part No.19b Pulley wheel 3" with set screw. 1918
  3. Part No.20 Flanged wheel 1 1/8" dia (old style with pulley)
  4. Part No.20 Flanged wheel 1 1/8" dia (older style with boss inside wheel)
  5. Part No.123 Cone pulley.
  6. Part No.156 Pointer 2.5" with boss (off center boss)
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