सङ्गीतमकरन्द (देवर्षि नारद - प्राचीन भारतीय सङ्गीत, राग-रागिनी वर्गीकरण व नाद-ब्रह्म)

' (ru with long u) or 'रूं' or 'रू'?
Wait, between 'नि' and 'रू':
Is there an anusvara on 'नि'?
There is a tiny speck above the top bar between 'नि' and 'रू', or is it an anusvara over 'नि'?
Actually, looking at it: it's slightly to the right of 'नि', right above the space. It might be an ink dot / stray mark, but in standard Sanskrit it is 'रागनिरूपण'.
Wait, look at line 3:
"2 रागनिरूपण and 3 नारदसंहिता."
Yes!

Let's check every single line carefully:
Line 1:
IV INTRODUCTION.
Line 2:
But before doing so I must mention that three works on music
Line 3:
are ascribed to Nârada viz., 1 नारदी शिक्षा, 2 रागनिरूपण and 3 नारदसंहिता.
Line 4:
Of these the first is available in print. On comparing it with the
Line 5:
present work, I am of opinion that the authors of both these works
Line 6:
are not identical. The Nâradî Sikshâ appears to be an older work.
Line 7:
For its language is archaic and it treats more of " Sâma-gâna "
(Note: space after opening quote: " Sâma-gâna ")
Line 8:
( Vedic