[Ron Ramirez]

Have you looked at this schematic?

http://www.philcoradio.com/tech/images/46.jpg

This is taken from the original Philco Service Bulletin for Models 46 and 46-E, and is indeed different from what is printed in Rider's.

Bulletin 53 (the original Bulletin for Models 46 and 46-E) specifies a Type 2 ballast for Model 46 and a Type 3 ballast for Model 46-E. The two are otherwise the same according to this Bulletin.

While it is possible that yours could be a factory variant, bear in mind that both domestic and export versions of the 46 were made in Philadelphia. It would be a few years before Philco built its Perivale, Greenford, Middlesex (UK) factory for the British/European market.

I, for one, would be most interested in seeing your homemade schematic when you complete it, to compare it to the Bulletin 53 schematic.