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| Eddie seeing how the wheel is bent |
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| Shuai checking wheel flatness |
Both portions of the class has moved onto something new this week. Shuai and Eddie have started the controls for the gear train, meaning they must start training their eyes to see un-flat wheels and bend them back to perfect flatness. This practice will eventually help them better fix the flatness and centering of the hairsprings that Tomas, Simone and Theren have been doing for the past few weeks.
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| Theren swapping a broken balance staff |
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| Simone checking the flatness and centering of the hairspring |
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| Tomas also flattening the hairspring |
This brings us to the other side of the classroom where they have started to learn how to make the regulating curves and double bend of the hairspring when studding up. The regulating curve has to be made radial where the other parts of the hairspring is an Archimedian Spiral so that the regulating pins are always the same distance apart and therefore prevent alterations to the centering.
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| A cool pocket watch-like pedometer that Shuai got |
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| Watchmaking books written in old language, but completely correct |
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