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Edison factory blueprints show the 4 minute stylus as 3.5 mil conical.
-Rob
www.edisonia.com
On 12/18/15 8:15 PM, Overkill wrote:
> I have been wanting to build myself an Archeophone for playing the common Amberol type 4 Minute Cylinders. I want to use a moving magnet cartridge and I am looking for suggestions as to which cartridge and needle size is best suited to fit the grooves correctly??
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> Dave
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