R.s.

1.
right side.
1.
Recording Secretary.
2.
Reformed Spelling.
3.
Revised Statutes.
4.
Royal Society.
R.S.
Revised Statutes

Read Also:

Rs-232
EIA-232
Rs-232c
Renamed EIA-232C (2004-08-02)
Rs-232d
communications, standard The EIA equivalent of ITU-T standard V.28. [Difference from EIA-232/EIA-232C?] (1995-03-02)