Westclox Model 66 Movement Minute Wheel Fastening Variations

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Early model 66 movements have no minute wheel fastening, or a c-clip. Later, it was fixed in place by a stud.

Minute Wheel Fastening No Fastening:

Face of stud is flush with top of minute wheel. The dial holds the minute wheel on. Example seen dated 12-30.

A steel c-clip holds the minute wheel. Examples seen dated 7-31 to 8-32.

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