[Nathan Slingerland]

You might also try the official Philco Service Bulletin 222A (also in the library). The Philco Service Bulletins were scanned in higher quality than some of our other documents.

https://philcoradio.com/library/download...20222A.pdf

For my own use I typically to go the Service Bulletin list first - and check our other materials if we don't have one.

https://philcoradio.com/library/index.ph...bulletins/