FCI does not contain any accidentals in the R.H. part in these bars. The missing sharps in b. 7 and 9 are a patent inaccuracy (formally speaking, a cautionary 
in b. 10 is not indispensable due to the presence of corresponding sharps in the L.H., i.e. raising c1 to c
1). Such an incomplete notation was probably present already in the lost autograph that served as the basis for this copy, since it seems unlikely that the copyist would selectively omit marks on the top stave (see also b. 16-17).
There is no 
in bar 7 in FC, too – the visible accidental was pencilled in by H. Scholtz, the later owner of FC. The obvious oversight was corrected in GE.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: GE revisions, Omission of current key accidentals, Errors of FC
notation: Pitch