Search terms that work:

"Nikon F black"
"Nikon F body"
"Nikon F camera"
"Nikon F chrome"
"Nikon F film"
"Nikon F FTn"
"Nikon F Photomic"
"Nikon F SLR"
"Nikon F 35"
"Nikon F w"
"Nikon F with"
"Nikon F" apollo
"Nikon FTn" -Nikkormat -Nikomat

And for prisms (unfortunately returns F2, F3, F4, and F5 stuff as well) "Nikon F" prism

Anyway, to the OP, wish you luck with the resurrection of your buddy's project cameras.

-J