Key Steps for Grand Regulating  (KS) began as slideshow photos for a class. Here is an index of the Key Step blog postings so far:

1. New Offering in the Offing
2. Concerning Dags and Return Spring
3. Shape of Keybed
4. How Flat is the Keybed?
5. Bedding the Cheekblocks
6. Hidden Glidebolts...