IBM Simplex Schoolhouse Clock Conversion to Quartz

IBM Clock

Note: If you are one of the purists who thinks it is sacrilege to do anything other than restore old clocks to their original condition then you should stop reading right now.

I came across an old IBM schoolhouse style electric slave clock that wasn’t in working condition with the idea of keeping the clocks’ “look” original and using the existing hands, while converting it to a battery operated quartz movement.

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