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Complete with archival images
GUTTERIDGE
"From genetic and forensic genealogy to ethics and contracts
Items are covered in a complete
The Clock & Watch Makers Guide to Gear Making by Robert Porter Complete with archival imagesTable of Contents: Page 1 Page 2 This guide does not pretend to be a complete treatise on horological gearing, but does focus on several useful gear types to provide the ambitious watch and clock maker, inventor, or model maker with enough basic information that he or she will be able to design gears and the cutters to make them. This guide will show you: How to design several types of gears and the cutters to make them. How to make an indexing
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