Making your own Clock Mainspring
Selecting a Platform escapement
Modern Key manufacture
Repairing Your Own Clocks, an online book by Mervyn Passmore
Identifying a 400 Day clock wire
Selecting a Clock chain
Selecting a Click
Printable document containing actual size pictures of all our clicks as of Nov2011
All about Gong rods
Choosing a wheel & pinion cutter
Selecting the right bushes and broaches
Choosing the right Exterior clocks