Hallicrafters SX-28 owners may be interested in this article about restoring
the SX-28 tuning gearbox:

http://antiqueradio.org/SX-28Gearbox.htm

Thanks to Doug Moore for writing this detailed saga, and to Hallicrafters
Collectors International for giving permission to mirror it on my website.

Regards,

Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html