Hi Bob ~ An additional thing to take into account is that some feed screws had a conventional V thread and some had a buttress thread (one face slanted, one nearly or actually vertical).
On Dec 12, 2014, at 10:30 AM, Antique Phonograph List <[email protected]> wrote: > Listers: > > > > As you may well know often the phonos you find nowadays are not in the best > condition. To that end, with regard to Edison cylinder machines feeder rods > for factory & conversion , 2&4 min., feeder rod threads, what is the thread > type ( per inch) > > My goal is to see if "thread chasers" are available, which would allow > cleaning up those feeder rods and make them usable again. > > > > It may take various ones given the various Edison cylinder machines, but I > am working on a "home" with a 2&4 min. conversion adaptor. > > > > Any assistance links etc. would be appreciated. > > > > Later > > > > Bob > > > > _______________________________________________ > Phono-L mailing list > http://phono-l.org > _______________________________________________ Phono-L mailing list http://phono-l.org
