10-19-2011, 05:44 PM
Hi and welcome.
You need to take a look at the following link. It gives details on all known changes to Model 89 - the most complete work ever put together on the subject.
http://www.philcoradio.com/tech/89evol.htm
You need to take a look at the following link. It gives details on all known changes to Model 89 - the most complete work ever put together on the subject.
http://www.philcoradio.com/tech/89evol.htm
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Ron Ramirez
Ferdinand IN