Good question. I intrigued me so I researched it. To make gears the Greek
craftsmen made a circular blank, then marked it out for the correct number
of teeth, probably using dividers, then filed the teeth with a triangular
needle file Analysis of the Antikythera Mechanism shows the sort of
irregula
Hal,
Gear wheels have been cut by hand for many a century. A simple dividing
head made from wood and fixed to a mandrel would index a blank wheel and
allow the teeth to be cut by a saw and then rounded up to a cycloidal
shape with a file. As time progressed shaped files were used and later
s
Michael Wright talking about the Antikythera
http://www.the-eg.com/videos/michael-wright-antikythera-resurrector-eg8
The video is 1/2 hour. I thought it was good. He's a colorful speaker.
Anybody know how they made gears back then? Or machinery in general? What
did they use for a file? Ho
