02-18-2007, 11:47 AM
That's ODG ("oh-dee-gee"), and yes, same configuration. The 'O' simply means that this "universal style" block used hi-temp wax impregnation. See page 2-3 in "Philco Condensers and More," 2nd. edition by Ray Bintliff. Info on my bakelite block condenser page.
Chuck Schwark,
The Philco Repair Bench
[Image: http://www.philcorepairbench.com/images/philog3tiny.gif]
http://www.philcorepairbench.com